19852430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{691}}^1$

素因数の和:741

約数の個数: 48

約数和(自身を含む): 41030064

約数和(自身を除く): 21177634

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 691, 845, 1105, 1382, 1690, 2210, 2873, 3455, 5746, 6910, 8983, 11747, 14365, 17966, 23494, 28730, 44915, 58735, 89830, 116779, 117470, 152711, 233558, 305422, 583895, 763555, 1167790, 1527110, 1985243, 3970486, 9926215, 19852430]

約数ペア:

[(1, 19852430), (2, 9926215), (5, 3970486), (10, 1985243), (13, 1527110), (17, 1167790), (26, 763555), (34, 583895), (65, 305422), (85, 233558), (130, 152711), (169, 117470), (170, 116779), (221, 89830), (338, 58735), (442, 44915), (691, 28730), (845, 23494), (1105, 17966), (1382, 14365), (1690, 11747), (2210, 8983), (2873, 6910), (3455, 5746)]