19443580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 48009024

約数和(自身を除く): 28565444

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 53, 65, 68, 83, 85, 106, 130, 166, 170, 212, 221, 260, 265, 332, 340, 415, 442, 530, 689, 830, 884, 901, 1060, 1079, 1105, 1378, 1411, 1660, 1802, 2158, 2210, 2756, 2822, 3445, 3604, 4316, 4399, 4420, 4505, 5395, 5644, 6890, 7055, 8798, 9010, 10790, 11713, 13780, 14110, 17596, 18020, 18343, 21580, 21995, 23426, 28220, 36686, 43990, 46852, 57187, 58565, 73372, 74783, 87980, 91715, 114374, 117130, 149566, 183430, 228748, 234260, 285935, 299132, 366860, 373915, 571870, 747830, 972179, 1143740, 1495660, 1944358, 3888716, 4860895, 9721790, 19443580]

約数ペア:

[(1, 19443580), (2, 9721790), (4, 4860895), (5, 3888716), (10, 1944358), (13, 1495660), (17, 1143740), (20, 972179), (26, 747830), (34, 571870), (52, 373915), (53, 366860), (65, 299132), (68, 285935), (83, 234260), (85, 228748), (106, 183430), (130, 149566), (166, 117130), (170, 114374), (212, 91715), (221, 87980), (260, 74783), (265, 73372), (332, 58565), (340, 57187), (415, 46852), (442, 43990), (530, 36686), (689, 28220), (830, 23426), (884, 21995), (901, 21580), (1060, 18343), (1079, 18020), (1105, 17596), (1378, 14110), (1411, 13780), (1660, 11713), (1802, 10790), (2158, 9010), (2210, 8798), (2756, 7055), (2822, 6890), (3445, 5644), (3604, 5395), (4316, 4505), (4399, 4420)]