19695015

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6343}}^1$

素因数の和:6380

約数の個数: 32

約数和(自身を含む): 36541440

約数和(自身を除く): 16846425

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 6343, 19029, 31715, 57087, 95145, 145889, 171261, 285435, 437667, 729445, 856305, 1313001, 2188335, 3939003, 6565005, 19695015]

約数ペア:

[(1, 19695015), (3, 6565005), (5, 3939003), (9, 2188335), (15, 1313001), (23, 856305), (27, 729445), (45, 437667), (69, 285435), (115, 171261), (135, 145889), (207, 95145), (345, 57087), (621, 31715), (1035, 19029), (3105, 6343)]