18995730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{919}}^1$

素因数の和:995

約数の個数: 64

約数和(自身を含む): 50077440

約数和(自身を除く): 31081710

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 53, 65, 78, 106, 130, 159, 195, 265, 318, 390, 530, 689, 795, 919, 1378, 1590, 1838, 2067, 2757, 3445, 4134, 4595, 5514, 6890, 9190, 10335, 11947, 13785, 20670, 23894, 27570, 35841, 48707, 59735, 71682, 97414, 119470, 146121, 179205, 243535, 292242, 358410, 487070, 633191, 730605, 1266382, 1461210, 1899573, 3165955, 3799146, 6331910, 9497865, 18995730]

約数ペア:

[(1, 18995730), (2, 9497865), (3, 6331910), (5, 3799146), (6, 3165955), (10, 1899573), (13, 1461210), (15, 1266382), (26, 730605), (30, 633191), (39, 487070), (53, 358410), (65, 292242), (78, 243535), (106, 179205), (130, 146121), (159, 119470), (195, 97414), (265, 71682), (318, 59735), (390, 48707), (530, 35841), (689, 27570), (795, 23894), (919, 20670), (1378, 13785), (1590, 11947), (1838, 10335), (2067, 9190), (2757, 6890), (3445, 5514), (4134, 4595)]