19942890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 52641792

約数和(自身を除く): 32698902

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 223, 271, 330, 446, 542, 669, 813, 1115, 1338, 1355, 1626, 2230, 2453, 2710, 2981, 3345, 4065, 4906, 5962, 6690, 7359, 8130, 8943, 12265, 14718, 14905, 17886, 24530, 29810, 36795, 44715, 60433, 73590, 89430, 120866, 181299, 302165, 362598, 604330, 664763, 906495, 1329526, 1812990, 1994289, 3323815, 3988578, 6647630, 9971445, 19942890]

約数ペア:

[(1, 19942890), (2, 9971445), (3, 6647630), (5, 3988578), (6, 3323815), (10, 1994289), (11, 1812990), (15, 1329526), (22, 906495), (30, 664763), (33, 604330), (55, 362598), (66, 302165), (110, 181299), (165, 120866), (223, 89430), (271, 73590), (330, 60433), (446, 44715), (542, 36795), (669, 29810), (813, 24530), (1115, 17886), (1338, 14905), (1355, 14718), (1626, 12265), (2230, 8943), (2453, 8130), (2710, 7359), (2981, 6690), (3345, 5962), (4065, 4906)]