18082740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 55319040

約数和(自身を除く): 37236300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 97, 130, 156, 194, 195, 239, 260, 291, 388, 390, 478, 485, 582, 717, 780, 956, 970, 1164, 1195, 1261, 1434, 1455, 1940, 2390, 2522, 2868, 2910, 3107, 3585, 3783, 4780, 5044, 5820, 6214, 6305, 7170, 7566, 9321, 12428, 12610, 14340, 15132, 15535, 18642, 18915, 23183, 25220, 31070, 37284, 37830, 46366, 46605, 62140, 69549, 75660, 92732, 93210, 115915, 139098, 186420, 231830, 278196, 301379, 347745, 463660, 602758, 695490, 904137, 1205516, 1390980, 1506895, 1808274, 3013790, 3616548, 4520685, 6027580, 9041370, 18082740]

約数ペア:

[(1, 18082740), (2, 9041370), (3, 6027580), (4, 4520685), (5, 3616548), (6, 3013790), (10, 1808274), (12, 1506895), (13, 1390980), (15, 1205516), (20, 904137), (26, 695490), (30, 602758), (39, 463660), (52, 347745), (60, 301379), (65, 278196), (78, 231830), (97, 186420), (130, 139098), (156, 115915), (194, 93210), (195, 92732), (239, 75660), (260, 69549), (291, 62140), (388, 46605), (390, 46366), (478, 37830), (485, 37284), (582, 31070), (717, 25220), (780, 23183), (956, 18915), (970, 18642), (1164, 15535), (1195, 15132), (1261, 14340), (1434, 12610), (1455, 12428), (1940, 9321), (2390, 7566), (2522, 7170), (2868, 6305), (2910, 6214), (3107, 5820), (3585, 5044), (3783, 4780)]