20162731258

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{45541}}^1$

素因数の和:45814

約数の個数: 32

約数和(自身を含む): 32527918080

約数和(自身を除く): 12365186822

約数列:

[1, 2, 19, 38, 61, 122, 191, 382, 1159, 2318, 3629, 7258, 11651, 23302, 45541, 91082, 221369, 442738, 865279, 1730558, 2778001, 5556002, 8698331, 17396662, 52782019, 105564038, 165268289, 330536578, 530598191, 1061196382, 10081365629, 20162731258]

約数ペア:

[(1, 20162731258), (2, 10081365629), (19, 1061196382), (38, 530598191), (61, 330536578), (122, 165268289), (191, 105564038), (382, 52782019), (1159, 17396662), (2318, 8698331), (3629, 5556002), (7258, 2778001), (11651, 1730558), (23302, 865279), (45541, 442738), (91082, 221369)]