2018708380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{9791}}^1$

素因数の和:9887

約数の個数: 72

約数和(自身を含む): 4666201344

約数和(自身を除く): 2647492964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 169, 244, 260, 305, 338, 610, 676, 793, 845, 1220, 1586, 1690, 3172, 3380, 3965, 7930, 9791, 10309, 15860, 19582, 20618, 39164, 41236, 48955, 51545, 97910, 103090, 127283, 195820, 206180, 254566, 509132, 597251, 636415, 1194502, 1272830, 1654679, 2389004, 2545660, 2986255, 3309358, 5972510, 6618716, 7764263, 8273395, 11945020, 15528526, 16546790, 31057052, 33093580, 38821315, 77642630, 100935419, 155285260, 201870838, 403741676, 504677095, 1009354190, 2018708380]

約数ペア:

[(1, 2018708380), (2, 1009354190), (4, 504677095), (5, 403741676), (10, 201870838), (13, 155285260), (20, 100935419), (26, 77642630), (52, 38821315), (61, 33093580), (65, 31057052), (122, 16546790), (130, 15528526), (169, 11945020), (244, 8273395), (260, 7764263), (305, 6618716), (338, 5972510), (610, 3309358), (676, 2986255), (793, 2545660), (845, 2389004), (1220, 1654679), (1586, 1272830), (1690, 1194502), (3172, 636415), (3380, 597251), (3965, 509132), (7930, 254566), (9791, 206180), (10309, 195820), (15860, 127283), (19582, 103090), (20618, 97910), (39164, 51545), (41236, 48955)]