19765476

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 72

約数和(自身を含む): 52416000

約数和(自身を除く): 32650524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 89, 93, 124, 178, 186, 199, 267, 279, 356, 372, 398, 534, 558, 597, 796, 801, 1068, 1116, 1194, 1602, 1791, 2388, 2759, 3204, 3582, 5518, 6169, 7164, 8277, 11036, 12338, 16554, 17711, 18507, 24676, 24831, 33108, 35422, 37014, 49662, 53133, 55521, 70844, 74028, 99324, 106266, 111042, 159399, 212532, 222084, 318798, 549041, 637596, 1098082, 1647123, 2196164, 3294246, 4941369, 6588492, 9882738, 19765476]

約数ペア:

[(1, 19765476), (2, 9882738), (3, 6588492), (4, 4941369), (6, 3294246), (9, 2196164), (12, 1647123), (18, 1098082), (31, 637596), (36, 549041), (62, 318798), (89, 222084), (93, 212532), (124, 159399), (178, 111042), (186, 106266), (199, 99324), (267, 74028), (279, 70844), (356, 55521), (372, 53133), (398, 49662), (534, 37014), (558, 35422), (597, 33108), (796, 24831), (801, 24676), (1068, 18507), (1116, 17711), (1194, 16554), (1602, 12338), (1791, 11036), (2388, 8277), (2759, 7164), (3204, 6169), (3582, 5518)]