19018620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 62375040

約数和(自身を除く): 43356420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 67, 76, 83, 90, 95, 114, 134, 166, 171, 180, 190, 201, 228, 249, 268, 285, 332, 335, 342, 380, 402, 415, 498, 570, 603, 670, 684, 747, 804, 830, 855, 996, 1005, 1140, 1206, 1245, 1273, 1340, 1494, 1577, 1660, 1710, 2010, 2412, 2490, 2546, 2988, 3015, 3154, 3420, 3735, 3819, 4020, 4731, 4980, 5092, 5561, 6030, 6308, 6365, 7470, 7638, 7885, 9462, 11122, 11457, 12060, 12730, 14193, 14940, 15276, 15770, 16683, 18924, 19095, 22244, 22914, 23655, 25460, 27805, 28386, 31540, 33366, 38190, 45828, 47310, 50049, 55610, 56772, 57285, 66732, 70965, 76380, 83415, 94620, 100098, 105659, 111220, 114570, 141930, 166830, 200196, 211318, 229140, 250245, 283860, 316977, 333660, 422636, 500490, 528295, 633954, 950931, 1000980, 1056590, 1267908, 1584885, 1901862, 2113180, 3169770, 3803724, 4754655, 6339540, 9509310, 19018620]

約数ペア:

[(1, 19018620), (2, 9509310), (3, 6339540), (4, 4754655), (5, 3803724), (6, 3169770), (9, 2113180), (10, 1901862), (12, 1584885), (15, 1267908), (18, 1056590), (19, 1000980), (20, 950931), (30, 633954), (36, 528295), (38, 500490), (45, 422636), (57, 333660), (60, 316977), (67, 283860), (76, 250245), (83, 229140), (90, 211318), (95, 200196), (114, 166830), (134, 141930), (166, 114570), (171, 111220), (180, 105659), (190, 100098), (201, 94620), (228, 83415), (249, 76380), (268, 70965), (285, 66732), (332, 57285), (335, 56772), (342, 55610), (380, 50049), (402, 47310), (415, 45828), (498, 38190), (570, 33366), (603, 31540), (670, 28386), (684, 27805), (747, 25460), (804, 23655), (830, 22914), (855, 22244), (996, 19095), (1005, 18924), (1140, 16683), (1206, 15770), (1245, 15276), (1273, 14940), (1340, 14193), (1494, 12730), (1577, 12060), (1660, 11457), (1710, 11122), (2010, 9462), (2412, 7885), (2490, 7638), (2546, 7470), (2988, 6365), (3015, 6308), (3154, 6030), (3420, 5561), (3735, 5092), (3819, 4980), (4020, 4731)]