19249965

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2657}}^1$

素因数の和:2698

約数の個数: 48

約数和(自身を含む): 39806208

約数和(自身を除く): 20556243

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 2415, 2657, 7245, 7971, 13285, 18599, 23913, 39855, 55797, 61111, 92995, 119565, 167391, 183333, 278985, 305555, 427777, 549999, 836955, 916665, 1283331, 2138885, 2749995, 3849993, 6416655, 19249965]

約数ペア:

[(1, 19249965), (3, 6416655), (5, 3849993), (7, 2749995), (9, 2138885), (15, 1283331), (21, 916665), (23, 836955), (35, 549999), (45, 427777), (63, 305555), (69, 278985), (105, 183333), (115, 167391), (161, 119565), (207, 92995), (315, 61111), (345, 55797), (483, 39855), (805, 23913), (1035, 18599), (1449, 13285), (2415, 7971), (2657, 7245)]