19541970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31019}}^1$

素因数の和:31039

約数の個数: 48

約数和(自身を含む): 58069440

約数和(自身を除く): 38527470

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 31019, 62038, 93057, 155095, 186114, 217133, 279171, 310190, 434266, 465285, 558342, 651399, 930570, 1085665, 1302798, 1395855, 1954197, 2171330, 2791710, 3256995, 3908394, 6513990, 9770985, 19541970]

約数ペア:

[(1, 19541970), (2, 9770985), (3, 6513990), (5, 3908394), (6, 3256995), (7, 2791710), (9, 2171330), (10, 1954197), (14, 1395855), (15, 1302798), (18, 1085665), (21, 930570), (30, 651399), (35, 558342), (42, 465285), (45, 434266), (63, 310190), (70, 279171), (90, 217133), (105, 186114), (126, 155095), (210, 93057), (315, 62038), (630, 31019)]