19682260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 48559392

約数和(自身を除く): 28877132

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 61, 65, 68, 73, 85, 122, 130, 146, 170, 221, 244, 260, 292, 305, 340, 365, 442, 610, 730, 793, 884, 949, 1037, 1105, 1220, 1241, 1460, 1586, 1898, 2074, 2210, 2482, 3172, 3796, 3965, 4148, 4420, 4453, 4745, 4964, 5185, 6205, 7930, 8906, 9490, 10370, 12410, 13481, 15860, 16133, 17812, 18980, 20740, 22265, 24820, 26962, 32266, 44530, 53924, 57889, 64532, 67405, 75701, 80665, 89060, 115778, 134810, 151402, 161330, 231556, 269620, 289445, 302804, 322660, 378505, 578890, 757010, 984113, 1157780, 1514020, 1968226, 3936452, 4920565, 9841130, 19682260]

約数ペア:

[(1, 19682260), (2, 9841130), (4, 4920565), (5, 3936452), (10, 1968226), (13, 1514020), (17, 1157780), (20, 984113), (26, 757010), (34, 578890), (52, 378505), (61, 322660), (65, 302804), (68, 289445), (73, 269620), (85, 231556), (122, 161330), (130, 151402), (146, 134810), (170, 115778), (221, 89060), (244, 80665), (260, 75701), (292, 67405), (305, 64532), (340, 57889), (365, 53924), (442, 44530), (610, 32266), (730, 26962), (793, 24820), (884, 22265), (949, 20740), (1037, 18980), (1105, 17812), (1220, 16133), (1241, 15860), (1460, 13481), (1586, 12410), (1898, 10370), (2074, 9490), (2210, 8906), (2482, 7930), (3172, 6205), (3796, 5185), (3965, 4964), (4148, 4745), (4420, 4453)]