18900972

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:244

約数の個数: 96

約数和(自身を含む): 52774400

約数和(自身を除く): 33873428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 61, 76, 108, 114, 122, 151, 171, 183, 228, 244, 302, 342, 366, 453, 513, 549, 604, 684, 732, 906, 1026, 1098, 1159, 1359, 1647, 1812, 2052, 2196, 2318, 2718, 2869, 3294, 3477, 4077, 4636, 5436, 5738, 6588, 6954, 8154, 8607, 9211, 10431, 11476, 13908, 16308, 17214, 18422, 20862, 25821, 27633, 31293, 34428, 36844, 41724, 51642, 55266, 62586, 77463, 82899, 103284, 110532, 125172, 154926, 165798, 175009, 248697, 309852, 331596, 350018, 497394, 525027, 700036, 994788, 1050054, 1575081, 2100108, 3150162, 4725243, 6300324, 9450486, 18900972]

約数ペア:

[(1, 18900972), (2, 9450486), (3, 6300324), (4, 4725243), (6, 3150162), (9, 2100108), (12, 1575081), (18, 1050054), (19, 994788), (27, 700036), (36, 525027), (38, 497394), (54, 350018), (57, 331596), (61, 309852), (76, 248697), (108, 175009), (114, 165798), (122, 154926), (151, 125172), (171, 110532), (183, 103284), (228, 82899), (244, 77463), (302, 62586), (342, 55266), (366, 51642), (453, 41724), (513, 36844), (549, 34428), (604, 31293), (684, 27633), (732, 25821), (906, 20862), (1026, 18422), (1098, 17214), (1159, 16308), (1359, 13908), (1647, 11476), (1812, 10431), (2052, 9211), (2196, 8607), (2318, 8154), (2718, 6954), (2869, 6588), (3294, 5738), (3477, 5436), (4077, 4636)]