18310190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 37231488

約数和(自身を除く): 18921298

約数列:

[1, 2, 5, 10, 17, 34, 37, 41, 71, 74, 82, 85, 142, 170, 185, 205, 355, 370, 410, 629, 697, 710, 1207, 1258, 1394, 1517, 2414, 2627, 2911, 3034, 3145, 3485, 5254, 5822, 6035, 6290, 6970, 7585, 12070, 13135, 14555, 15170, 25789, 26270, 29110, 44659, 49487, 51578, 89318, 98974, 107707, 128945, 215414, 223295, 247435, 257890, 446590, 494870, 538535, 1077070, 1831019, 3662038, 9155095, 18310190]

約数ペア:

[(1, 18310190), (2, 9155095), (5, 3662038), (10, 1831019), (17, 1077070), (34, 538535), (37, 494870), (41, 446590), (71, 257890), (74, 247435), (82, 223295), (85, 215414), (142, 128945), (170, 107707), (185, 98974), (205, 89318), (355, 51578), (370, 49487), (410, 44659), (629, 29110), (697, 26270), (710, 25789), (1207, 15170), (1258, 14555), (1394, 13135), (1517, 12070), (2414, 7585), (2627, 6970), (2911, 6290), (3034, 6035), (3145, 5822), (3485, 5254)]