18820937772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{38047}}^1$

素因数の和:38228

約数の個数: 144

約数和(自身を含む): 58943352832

約数和(自身を除く): 40122415060

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 151, 156, 182, 234, 252, 273, 302, 364, 453, 468, 546, 604, 819, 906, 1057, 1092, 1359, 1638, 1812, 1963, 2114, 2718, 3171, 3276, 3926, 4228, 5436, 5889, 6342, 7852, 9513, 11778, 12684, 13741, 17667, 19026, 23556, 27482, 35334, 38047, 38052, 41223, 54964, 70668, 76094, 82446, 114141, 123669, 152188, 164892, 228282, 247338, 266329, 342423, 456564, 494611, 494676, 532658, 684846, 798987, 989222, 1065316, 1369692, 1483833, 1597974, 1978444, 2396961, 2967666, 3195948, 3462277, 4451499, 4793922, 5745097, 5935332, 6924554, 8902998, 9587844, 10386831, 11490194, 13849108, 17235291, 17805996, 20773662, 22980388, 31160493, 34470582, 40215679, 41547324, 51705873, 62320986, 68941164, 74686261, 80431358, 103411746, 120647037, 124641972, 149372522, 160862716, 206823492, 224058783, 241294074, 298745044, 361941111, 448117566, 482588148, 522803827, 672176349, 723882222, 896235132, 1045607654, 1344352698, 1447764444, 1568411481, 2091215308, 2688705396, 3136822962, 4705234443, 6273645924, 9410468886, 18820937772]

約数ペア:

[(1, 18820937772), (2, 9410468886), (3, 6273645924), (4, 4705234443), (6, 3136822962), (7, 2688705396), (9, 2091215308), (12, 1568411481), (13, 1447764444), (14, 1344352698), (18, 1045607654), (21, 896235132), (26, 723882222), (28, 672176349), (36, 522803827), (39, 482588148), (42, 448117566), (52, 361941111), (63, 298745044), (78, 241294074), (84, 224058783), (91, 206823492), (117, 160862716), (126, 149372522), (151, 124641972), (156, 120647037), (182, 103411746), (234, 80431358), (252, 74686261), (273, 68941164), (302, 62320986), (364, 51705873), (453, 41547324), (468, 40215679), (546, 34470582), (604, 31160493), (819, 22980388), (906, 20773662), (1057, 17805996), (1092, 17235291), (1359, 13849108), (1638, 11490194), (1812, 10386831), (1963, 9587844), (2114, 8902998), (2718, 6924554), (3171, 5935332), (3276, 5745097), (3926, 4793922), (4228, 4451499), (5436, 3462277), (5889, 3195948), (6342, 2967666), (7852, 2396961), (9513, 1978444), (11778, 1597974), (12684, 1483833), (13741, 1369692), (17667, 1065316), (19026, 989222), (23556, 798987), (27482, 684846), (35334, 532658), (38047, 494676), (38052, 494611), (41223, 456564), (54964, 342423), (70668, 266329), (76094, 247338), (82446, 228282), (114141, 164892), (123669, 152188)]