19241565

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 36640512

約数和(自身を除く): 17398947

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 49, 105, 141, 147, 235, 245, 329, 557, 705, 735, 987, 1645, 1671, 2303, 2785, 3899, 4935, 6909, 8355, 11515, 11697, 19495, 26179, 27293, 34545, 58485, 78537, 81879, 130895, 136465, 183253, 392685, 409395, 549759, 916265, 1282771, 2748795, 3848313, 6413855, 19241565]

約数ペア:

[(1, 19241565), (3, 6413855), (5, 3848313), (7, 2748795), (15, 1282771), (21, 916265), (35, 549759), (47, 409395), (49, 392685), (105, 183253), (141, 136465), (147, 130895), (235, 81879), (245, 78537), (329, 58485), (557, 34545), (705, 27293), (735, 26179), (987, 19495), (1645, 11697), (1671, 11515), (2303, 8355), (2785, 6909), (3899, 4935)]