18258340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 41150592

約数和(自身を除く): 22892252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 83, 85, 166, 170, 332, 340, 415, 647, 830, 1294, 1411, 1660, 2588, 2822, 3235, 5644, 6470, 7055, 10999, 12940, 14110, 21998, 28220, 43996, 53701, 54995, 107402, 109990, 214804, 219980, 268505, 537010, 912917, 1074020, 1825834, 3651668, 4564585, 9129170, 18258340]

約数ペア:

[(1, 18258340), (2, 9129170), (4, 4564585), (5, 3651668), (10, 1825834), (17, 1074020), (20, 912917), (34, 537010), (68, 268505), (83, 219980), (85, 214804), (166, 109990), (170, 107402), (332, 54995), (340, 53701), (415, 43996), (647, 28220), (830, 21998), (1294, 14110), (1411, 12940), (1660, 10999), (2588, 7055), (2822, 6470), (3235, 5644)]