19355895

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:337

約数の個数: 64

約数和(自身を含む): 38102400

約数和(自身を除く): 18746505

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 41, 45, 65, 117, 123, 135, 195, 205, 269, 351, 369, 533, 585, 615, 807, 1107, 1345, 1599, 1755, 1845, 2421, 2665, 3497, 4035, 4797, 5535, 7263, 7995, 10491, 11029, 12105, 14391, 17485, 23985, 31473, 33087, 36315, 52455, 55145, 71955, 94419, 99261, 143377, 157365, 165435, 297783, 430131, 472095, 496305, 716885, 1290393, 1488915, 2150655, 3871179, 6451965, 19355895]

約数ペア:

[(1, 19355895), (3, 6451965), (5, 3871179), (9, 2150655), (13, 1488915), (15, 1290393), (27, 716885), (39, 496305), (41, 472095), (45, 430131), (65, 297783), (117, 165435), (123, 157365), (135, 143377), (195, 99261), (205, 94419), (269, 71955), (351, 55145), (369, 52455), (533, 36315), (585, 33087), (615, 31473), (807, 23985), (1107, 17485), (1345, 14391), (1599, 12105), (1755, 11029), (1845, 10491), (2421, 7995), (2665, 7263), (3497, 5535), (4035, 4797)]