18142910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 37558080

約数和(自身を除く): 19415170

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 41, 82, 85, 95, 137, 170, 190, 205, 274, 323, 410, 646, 685, 697, 779, 1370, 1394, 1558, 1615, 2329, 2603, 3230, 3485, 3895, 4658, 5206, 5617, 6970, 7790, 11234, 11645, 13015, 13243, 23290, 26030, 26486, 28085, 44251, 56170, 66215, 88502, 95489, 106723, 132430, 190978, 213446, 221255, 442510, 477445, 533615, 954890, 1067230, 1814291, 3628582, 9071455, 18142910]

約数ペア:

[(1, 18142910), (2, 9071455), (5, 3628582), (10, 1814291), (17, 1067230), (19, 954890), (34, 533615), (38, 477445), (41, 442510), (82, 221255), (85, 213446), (95, 190978), (137, 132430), (170, 106723), (190, 95489), (205, 88502), (274, 66215), (323, 56170), (410, 44251), (646, 28085), (685, 26486), (697, 26030), (779, 23290), (1370, 13243), (1394, 13015), (1558, 11645), (1615, 11234), (2329, 7790), (2603, 6970), (3230, 5617), (3485, 5206), (3895, 4658)]