18551330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 40255488

約数和(自身を除く): 21704158

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 83, 103, 155, 166, 206, 217, 310, 415, 434, 515, 581, 721, 830, 1030, 1085, 1162, 1442, 2170, 2573, 2905, 3193, 3605, 5146, 5810, 6386, 7210, 8549, 12865, 15965, 17098, 18011, 22351, 25730, 31930, 36022, 42745, 44702, 59843, 85490, 90055, 111755, 119686, 180110, 223510, 265019, 299215, 530038, 598430, 1325095, 1855133, 2650190, 3710266, 9275665, 18551330]

約数ペア:

[(1, 18551330), (2, 9275665), (5, 3710266), (7, 2650190), (10, 1855133), (14, 1325095), (31, 598430), (35, 530038), (62, 299215), (70, 265019), (83, 223510), (103, 180110), (155, 119686), (166, 111755), (206, 90055), (217, 85490), (310, 59843), (415, 44702), (434, 42745), (515, 36022), (581, 31930), (721, 25730), (830, 22351), (1030, 18011), (1085, 17098), (1162, 15965), (1442, 12865), (2170, 8549), (2573, 7210), (2905, 6386), (3193, 5810), (3605, 5146)]