18780246

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:733

約数の個数: 48

約数和(自身を含む): 43383600

約数和(自身を除く): 24603354

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 89, 114, 171, 178, 267, 342, 534, 617, 801, 1234, 1602, 1691, 1851, 3382, 3702, 5073, 5553, 10146, 11106, 11723, 15219, 23446, 30438, 35169, 54913, 70338, 105507, 109826, 164739, 211014, 329478, 494217, 988434, 1043347, 2086694, 3130041, 6260082, 9390123, 18780246]

約数ペア:

[(1, 18780246), (2, 9390123), (3, 6260082), (6, 3130041), (9, 2086694), (18, 1043347), (19, 988434), (38, 494217), (57, 329478), (89, 211014), (114, 164739), (171, 109826), (178, 105507), (267, 70338), (342, 54913), (534, 35169), (617, 30438), (801, 23446), (1234, 15219), (1602, 11723), (1691, 11106), (1851, 10146), (3382, 5553), (3702, 5073)]