19490835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 39029760

約数和(自身を除く): 19538925

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 109, 131, 195, 273, 327, 393, 455, 545, 655, 763, 917, 1365, 1417, 1635, 1703, 1965, 2289, 2751, 3815, 4251, 4585, 5109, 7085, 8515, 9919, 11445, 11921, 13755, 14279, 21255, 25545, 29757, 35763, 42837, 49595, 59605, 71395, 99953, 148785, 178815, 185627, 214185, 299859, 499765, 556881, 928135, 1299389, 1499295, 2784405, 3898167, 6496945, 19490835]

約数ペア:

[(1, 19490835), (3, 6496945), (5, 3898167), (7, 2784405), (13, 1499295), (15, 1299389), (21, 928135), (35, 556881), (39, 499765), (65, 299859), (91, 214185), (105, 185627), (109, 178815), (131, 148785), (195, 99953), (273, 71395), (327, 59605), (393, 49595), (455, 42837), (545, 35763), (655, 29757), (763, 25545), (917, 21255), (1365, 14279), (1417, 13755), (1635, 11921), (1703, 11445), (1965, 9919), (2289, 8515), (2751, 7085), (3815, 5109), (4251, 4585)]