18661950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{367}}^1$

素因数の和:498

約数の個数: 72

約数和(自身を含む): 50719968

約数和(自身を除く): 32058018

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 113, 150, 225, 226, 339, 367, 450, 565, 678, 734, 1017, 1101, 1130, 1695, 1835, 2034, 2202, 2825, 3303, 3390, 3670, 5085, 5505, 5650, 6606, 8475, 9175, 10170, 11010, 16515, 16950, 18350, 25425, 27525, 33030, 41471, 50850, 55050, 82575, 82942, 124413, 165150, 207355, 248826, 373239, 414710, 622065, 746478, 1036775, 1244130, 1866195, 2073550, 3110325, 3732390, 6220650, 9330975, 18661950]

約数ペア:

[(1, 18661950), (2, 9330975), (3, 6220650), (5, 3732390), (6, 3110325), (9, 2073550), (10, 1866195), (15, 1244130), (18, 1036775), (25, 746478), (30, 622065), (45, 414710), (50, 373239), (75, 248826), (90, 207355), (113, 165150), (150, 124413), (225, 82942), (226, 82575), (339, 55050), (367, 50850), (450, 41471), (565, 33030), (678, 27525), (734, 25425), (1017, 18350), (1101, 16950), (1130, 16515), (1695, 11010), (1835, 10170), (2034, 9175), (2202, 8475), (2825, 6606), (3303, 5650), (3390, 5505), (3670, 5085)]