18878161743

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{35117}}^1$

素因数の和:35213

約数の個数: 72

約数和(自身を含む): 33725079648

約数和(自身を除く): 14846917905

約数列:

[1, 3, 7, 9, 21, 23, 49, 53, 63, 69, 147, 159, 161, 207, 371, 441, 477, 483, 1113, 1127, 1219, 1449, 2597, 3339, 3381, 3657, 7791, 8533, 10143, 10971, 23373, 25599, 35117, 59731, 76797, 105351, 179193, 245819, 316053, 537579, 737457, 807691, 1720733, 1861201, 2212371, 2423073, 5162199, 5583603, 5653837, 7269219, 13028407, 15486597, 16750809, 16961511, 39085221, 39576859, 42807623, 50884533, 91198849, 117255663, 118730577, 128422869, 273596547, 299653361, 356191731, 385268607, 820789641, 898960083, 2097573527, 2696880249, 6292720581, 18878161743]

約数ペア:

[(1, 18878161743), (3, 6292720581), (7, 2696880249), (9, 2097573527), (21, 898960083), (23, 820789641), (49, 385268607), (53, 356191731), (63, 299653361), (69, 273596547), (147, 128422869), (159, 118730577), (161, 117255663), (207, 91198849), (371, 50884533), (441, 42807623), (477, 39576859), (483, 39085221), (1113, 16961511), (1127, 16750809), (1219, 15486597), (1449, 13028407), (2597, 7269219), (3339, 5653837), (3381, 5583603), (3657, 5162199), (7791, 2423073), (8533, 2212371), (10143, 1861201), (10971, 1720733), (23373, 807691), (25599, 737457), (35117, 537579), (59731, 316053), (76797, 245819), (105351, 179193)]