18680620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 48771072

約数和(自身を除く): 30090452

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 47, 68, 70, 85, 94, 119, 140, 167, 170, 188, 235, 238, 329, 334, 340, 470, 476, 595, 658, 668, 799, 835, 940, 1169, 1190, 1316, 1598, 1645, 1670, 2338, 2380, 2839, 3196, 3290, 3340, 3995, 4676, 5593, 5678, 5845, 6580, 7849, 7990, 11186, 11356, 11690, 14195, 15698, 15980, 19873, 22372, 23380, 27965, 28390, 31396, 39245, 39746, 54943, 55930, 56780, 78490, 79492, 99365, 109886, 111860, 133433, 156980, 198730, 219772, 266866, 274715, 397460, 533732, 549430, 667165, 934031, 1098860, 1334330, 1868062, 2668660, 3736124, 4670155, 9340310, 18680620]

約数ペア:

[(1, 18680620), (2, 9340310), (4, 4670155), (5, 3736124), (7, 2668660), (10, 1868062), (14, 1334330), (17, 1098860), (20, 934031), (28, 667165), (34, 549430), (35, 533732), (47, 397460), (68, 274715), (70, 266866), (85, 219772), (94, 198730), (119, 156980), (140, 133433), (167, 111860), (170, 109886), (188, 99365), (235, 79492), (238, 78490), (329, 56780), (334, 55930), (340, 54943), (470, 39746), (476, 39245), (595, 31396), (658, 28390), (668, 27965), (799, 23380), (835, 22372), (940, 19873), (1169, 15980), (1190, 15698), (1316, 14195), (1598, 11690), (1645, 11356), (1670, 11186), (2338, 7990), (2380, 7849), (2839, 6580), (3196, 5845), (3290, 5678), (3340, 5593), (3995, 4676)]