18487700

素因数分解:

$2^2\times 5^2\times 7^5\times {\mathrm{11}}^1$

素因数の和:60

約数の個数: 108

約数和(自身を含む): 51059232

約数和(自身を除く): 32571532

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 49, 50, 55, 70, 77, 98, 100, 110, 140, 154, 175, 196, 220, 245, 275, 308, 343, 350, 385, 490, 539, 550, 686, 700, 770, 980, 1078, 1100, 1225, 1372, 1540, 1715, 1925, 2156, 2401, 2450, 2695, 3430, 3773, 3850, 4802, 4900, 5390, 6860, 7546, 7700, 8575, 9604, 10780, 12005, 13475, 15092, 16807, 17150, 18865, 24010, 26411, 26950, 33614, 34300, 37730, 48020, 52822, 53900, 60025, 67228, 75460, 84035, 94325, 105644, 120050, 132055, 168070, 184877, 188650, 240100, 264110, 336140, 369754, 377300, 420175, 528220, 660275, 739508, 840350, 924385, 1320550, 1680700, 1848770, 2641100, 3697540, 4621925, 9243850, 18487700]

約数ペア:

[(1, 18487700), (2, 9243850), (4, 4621925), (5, 3697540), (7, 2641100), (10, 1848770), (11, 1680700), (14, 1320550), (20, 924385), (22, 840350), (25, 739508), (28, 660275), (35, 528220), (44, 420175), (49, 377300), (50, 369754), (55, 336140), (70, 264110), (77, 240100), (98, 188650), (100, 184877), (110, 168070), (140, 132055), (154, 120050), (175, 105644), (196, 94325), (220, 84035), (245, 75460), (275, 67228), (308, 60025), (343, 53900), (350, 52822), (385, 48020), (490, 37730), (539, 34300), (550, 33614), (686, 26950), (700, 26411), (770, 24010), (980, 18865), (1078, 17150), (1100, 16807), (1225, 15092), (1372, 13475), (1540, 12005), (1715, 10780), (1925, 9604), (2156, 8575), (2401, 7700), (2450, 7546), (2695, 6860), (3430, 5390), (3773, 4900), (3850, 4802)]