1888779490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{971}}^1\times {\mathrm{1151}}^1$

素因数の和:2155

約数の個数: 48

約数和(自身を含む): 3688436736

約数和(自身を除く): 1799657246

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 971, 1151, 1690, 1942, 2302, 4855, 5755, 9710, 11510, 12623, 14963, 25246, 29926, 63115, 74815, 126230, 149630, 164099, 194519, 328198, 389038, 820495, 972595, 1117621, 1640990, 1945190, 2235242, 5588105, 11176210, 14529073, 29058146, 72645365, 145290730, 188877949, 377755898, 944389745, 1888779490]

約数ペア:

[(1, 1888779490), (2, 944389745), (5, 377755898), (10, 188877949), (13, 145290730), (26, 72645365), (65, 29058146), (130, 14529073), (169, 11176210), (338, 5588105), (845, 2235242), (971, 1945190), (1151, 1640990), (1690, 1117621), (1942, 972595), (2302, 820495), (4855, 389038), (5755, 328198), (9710, 194519), (11510, 164099), (12623, 149630), (14963, 126230), (25246, 74815), (29926, 63115)]