18537200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{383}}^1$

素因数の和:423

約数の個数: 90

約数和(自身を含む): 49080192

約数和(自身を除く): 30542992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 176, 200, 220, 242, 275, 383, 400, 440, 484, 550, 605, 766, 880, 968, 1100, 1210, 1532, 1915, 1936, 2200, 2420, 3025, 3064, 3830, 4213, 4400, 4840, 6050, 6128, 7660, 8426, 9575, 9680, 12100, 15320, 16852, 19150, 21065, 24200, 30640, 33704, 38300, 42130, 46343, 48400, 67408, 76600, 84260, 92686, 105325, 153200, 168520, 185372, 210650, 231715, 337040, 370744, 421300, 463430, 741488, 842600, 926860, 1158575, 1685200, 1853720, 2317150, 3707440, 4634300, 9268600, 18537200]

約数ペア:

[(1, 18537200), (2, 9268600), (4, 4634300), (5, 3707440), (8, 2317150), (10, 1853720), (11, 1685200), (16, 1158575), (20, 926860), (22, 842600), (25, 741488), (40, 463430), (44, 421300), (50, 370744), (55, 337040), (80, 231715), (88, 210650), (100, 185372), (110, 168520), (121, 153200), (176, 105325), (200, 92686), (220, 84260), (242, 76600), (275, 67408), (383, 48400), (400, 46343), (440, 42130), (484, 38300), (550, 33704), (605, 30640), (766, 24200), (880, 21065), (968, 19150), (1100, 16852), (1210, 15320), (1532, 12100), (1915, 9680), (1936, 9575), (2200, 8426), (2420, 7660), (3025, 6128), (3064, 6050), (3830, 4840), (4213, 4400)]