18575480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 53844480

約数和(自身を除く): 35269000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 37, 40, 44, 55, 56, 70, 74, 77, 88, 110, 140, 148, 154, 163, 185, 220, 259, 280, 296, 308, 326, 370, 385, 407, 440, 518, 616, 652, 740, 770, 814, 815, 1036, 1141, 1295, 1304, 1480, 1540, 1628, 1630, 1793, 2035, 2072, 2282, 2590, 2849, 3080, 3256, 3260, 3586, 4070, 4564, 5180, 5698, 5705, 6031, 6520, 7172, 8140, 8965, 9128, 10360, 11396, 11410, 12062, 12551, 14245, 14344, 16280, 17930, 22792, 22820, 24124, 25102, 28490, 30155, 35860, 42217, 45640, 48248, 50204, 56980, 60310, 62755, 66341, 71720, 84434, 100408, 113960, 120620, 125510, 132682, 168868, 211085, 241240, 251020, 265364, 331705, 337736, 422170, 464387, 502040, 530728, 663410, 844340, 928774, 1326820, 1688680, 1857548, 2321935, 2653640, 3715096, 4643870, 9287740, 18575480]

約数ペア:

[(1, 18575480), (2, 9287740), (4, 4643870), (5, 3715096), (7, 2653640), (8, 2321935), (10, 1857548), (11, 1688680), (14, 1326820), (20, 928774), (22, 844340), (28, 663410), (35, 530728), (37, 502040), (40, 464387), (44, 422170), (55, 337736), (56, 331705), (70, 265364), (74, 251020), (77, 241240), (88, 211085), (110, 168868), (140, 132682), (148, 125510), (154, 120620), (163, 113960), (185, 100408), (220, 84434), (259, 71720), (280, 66341), (296, 62755), (308, 60310), (326, 56980), (370, 50204), (385, 48248), (407, 45640), (440, 42217), (518, 35860), (616, 30155), (652, 28490), (740, 25102), (770, 24124), (814, 22820), (815, 22792), (1036, 17930), (1141, 16280), (1295, 14344), (1304, 14245), (1480, 12551), (1540, 12062), (1628, 11410), (1630, 11396), (1793, 10360), (2035, 9128), (2072, 8965), (2282, 8140), (2590, 7172), (2849, 6520), (3080, 6031), (3256, 5705), (3260, 5698), (3586, 5180), (4070, 4564)]