19219920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1511}}^1$

素因数の和:1580

約数の個数: 80

約数和(自身を含む): 60746112

約数和(自身を除く): 41526192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1511, 1590, 2120, 2544, 3022, 3180, 4240, 4533, 6044, 6360, 7555, 9066, 12088, 12720, 15110, 18132, 22665, 24176, 30220, 36264, 45330, 60440, 72528, 80083, 90660, 120880, 160166, 181320, 240249, 320332, 362640, 400415, 480498, 640664, 800830, 960996, 1201245, 1281328, 1601660, 1921992, 2402490, 3203320, 3843984, 4804980, 6406640, 9609960, 19219920]

約数ペア:

[(1, 19219920), (2, 9609960), (3, 6406640), (4, 4804980), (5, 3843984), (6, 3203320), (8, 2402490), (10, 1921992), (12, 1601660), (15, 1281328), (16, 1201245), (20, 960996), (24, 800830), (30, 640664), (40, 480498), (48, 400415), (53, 362640), (60, 320332), (80, 240249), (106, 181320), (120, 160166), (159, 120880), (212, 90660), (240, 80083), (265, 72528), (318, 60440), (424, 45330), (530, 36264), (636, 30220), (795, 24176), (848, 22665), (1060, 18132), (1272, 15110), (1511, 12720), (1590, 12088), (2120, 9066), (2544, 7555), (3022, 6360), (3180, 6044), (4240, 4533)]