19452290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 41997312

約数和(自身を除く): 22545022

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 61, 65, 110, 122, 130, 143, 223, 286, 305, 446, 610, 671, 715, 793, 1115, 1342, 1430, 1586, 2230, 2453, 2899, 3355, 3965, 4906, 5798, 6710, 7930, 8723, 12265, 13603, 14495, 17446, 24530, 27206, 28990, 31889, 43615, 63778, 68015, 87230, 136030, 149633, 159445, 176839, 299266, 318890, 353678, 748165, 884195, 1496330, 1768390, 1945229, 3890458, 9726145, 19452290]

約数ペア:

[(1, 19452290), (2, 9726145), (5, 3890458), (10, 1945229), (11, 1768390), (13, 1496330), (22, 884195), (26, 748165), (55, 353678), (61, 318890), (65, 299266), (110, 176839), (122, 159445), (130, 149633), (143, 136030), (223, 87230), (286, 68015), (305, 63778), (446, 43615), (610, 31889), (671, 28990), (715, 27206), (793, 24530), (1115, 17446), (1342, 14495), (1430, 13603), (1586, 12265), (2230, 8723), (2453, 7930), (2899, 6710), (3355, 5798), (3965, 4906)]