19892730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4637}}^1$

素因数の和:4671

約数の個数: 64

約数和(自身を含む): 56101248

約数和(自身を除く): 36208518

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 429, 715, 858, 1430, 2145, 4290, 4637, 9274, 13911, 23185, 27822, 46370, 51007, 60281, 69555, 102014, 120562, 139110, 153021, 180843, 255035, 301405, 306042, 361686, 510070, 602810, 663091, 765105, 904215, 1326182, 1530210, 1808430, 1989273, 3315455, 3978546, 6630910, 9946365, 19892730]

約数ペア:

[(1, 19892730), (2, 9946365), (3, 6630910), (5, 3978546), (6, 3315455), (10, 1989273), (11, 1808430), (13, 1530210), (15, 1326182), (22, 904215), (26, 765105), (30, 663091), (33, 602810), (39, 510070), (55, 361686), (65, 306042), (66, 301405), (78, 255035), (110, 180843), (130, 153021), (143, 139110), (165, 120562), (195, 102014), (286, 69555), (330, 60281), (390, 51007), (429, 46370), (715, 27822), (858, 23185), (1430, 13911), (2145, 9274), (4290, 4637)]