18415540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 46738944

約数和(自身を除く): 28323404

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 47, 52, 55, 65, 94, 110, 130, 137, 143, 188, 220, 235, 260, 274, 286, 470, 517, 548, 572, 611, 685, 715, 940, 1034, 1222, 1370, 1430, 1507, 1781, 2068, 2444, 2585, 2740, 2860, 3014, 3055, 3562, 5170, 6028, 6110, 6439, 6721, 7124, 7535, 8905, 10340, 12220, 12878, 13442, 15070, 17810, 19591, 25756, 26884, 30140, 32195, 33605, 35620, 39182, 64390, 67210, 70829, 78364, 83707, 97955, 128780, 134420, 141658, 167414, 195910, 283316, 334828, 354145, 391820, 418535, 708290, 837070, 920777, 1416580, 1674140, 1841554, 3683108, 4603885, 9207770, 18415540]

約数ペア:

[(1, 18415540), (2, 9207770), (4, 4603885), (5, 3683108), (10, 1841554), (11, 1674140), (13, 1416580), (20, 920777), (22, 837070), (26, 708290), (44, 418535), (47, 391820), (52, 354145), (55, 334828), (65, 283316), (94, 195910), (110, 167414), (130, 141658), (137, 134420), (143, 128780), (188, 97955), (220, 83707), (235, 78364), (260, 70829), (274, 67210), (286, 64390), (470, 39182), (517, 35620), (548, 33605), (572, 32195), (611, 30140), (685, 26884), (715, 25756), (940, 19591), (1034, 17810), (1222, 15070), (1370, 13442), (1430, 12878), (1507, 12220), (1781, 10340), (2068, 8905), (2444, 7535), (2585, 7124), (2740, 6721), (2860, 6439), (3014, 6110), (3055, 6028), (3562, 5170)]