18375560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:151

約数の個数: 128

約数和(自身を含む): 51148800

約数和(自身を除く): 32773240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 31, 35, 40, 56, 58, 62, 70, 73, 116, 124, 140, 145, 146, 155, 203, 217, 232, 248, 280, 290, 292, 310, 365, 406, 434, 511, 580, 584, 620, 730, 812, 868, 899, 1015, 1022, 1085, 1160, 1240, 1460, 1624, 1736, 1798, 2030, 2044, 2117, 2170, 2263, 2555, 2920, 3596, 4060, 4088, 4234, 4340, 4495, 4526, 5110, 6293, 7192, 8120, 8468, 8680, 8990, 9052, 10220, 10585, 11315, 12586, 14819, 15841, 16936, 17980, 18104, 20440, 21170, 22630, 25172, 29638, 31465, 31682, 35960, 42340, 45260, 50344, 59276, 62930, 63364, 65627, 74095, 79205, 84680, 90520, 118552, 125860, 126728, 131254, 148190, 158410, 251720, 262508, 296380, 316820, 328135, 459389, 525016, 592760, 633640, 656270, 918778, 1312540, 1837556, 2296945, 2625080, 3675112, 4593890, 9187780, 18375560]

約数ペア:

[(1, 18375560), (2, 9187780), (4, 4593890), (5, 3675112), (7, 2625080), (8, 2296945), (10, 1837556), (14, 1312540), (20, 918778), (28, 656270), (29, 633640), (31, 592760), (35, 525016), (40, 459389), (56, 328135), (58, 316820), (62, 296380), (70, 262508), (73, 251720), (116, 158410), (124, 148190), (140, 131254), (145, 126728), (146, 125860), (155, 118552), (203, 90520), (217, 84680), (232, 79205), (248, 74095), (280, 65627), (290, 63364), (292, 62930), (310, 59276), (365, 50344), (406, 45260), (434, 42340), (511, 35960), (580, 31682), (584, 31465), (620, 29638), (730, 25172), (812, 22630), (868, 21170), (899, 20440), (1015, 18104), (1022, 17980), (1085, 16936), (1160, 15841), (1240, 14819), (1460, 12586), (1624, 11315), (1736, 10585), (1798, 10220), (2030, 9052), (2044, 8990), (2117, 8680), (2170, 8468), (2263, 8120), (2555, 7192), (2920, 6293), (3596, 5110), (4060, 4526), (4088, 4495), (4234, 4340)]