18097180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 42086016

約数和(自身を除く): 23988836

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 101, 124, 155, 170, 202, 289, 310, 340, 404, 505, 527, 578, 620, 1010, 1054, 1156, 1445, 1717, 2020, 2108, 2635, 2890, 3131, 3434, 5270, 5780, 6262, 6868, 8585, 8959, 10540, 12524, 15655, 17170, 17918, 29189, 31310, 34340, 35836, 44795, 53227, 58378, 62620, 89590, 106454, 116756, 145945, 179180, 212908, 266135, 291890, 532270, 583780, 904859, 1064540, 1809718, 3619436, 4524295, 9048590, 18097180]

約数ペア:

[(1, 18097180), (2, 9048590), (4, 4524295), (5, 3619436), (10, 1809718), (17, 1064540), (20, 904859), (31, 583780), (34, 532270), (62, 291890), (68, 266135), (85, 212908), (101, 179180), (124, 145945), (155, 116756), (170, 106454), (202, 89590), (289, 62620), (310, 58378), (340, 53227), (404, 44795), (505, 35836), (527, 34340), (578, 31310), (620, 29189), (1010, 17918), (1054, 17170), (1156, 15655), (1445, 12524), (1717, 10540), (2020, 8959), (2108, 8585), (2635, 6868), (2890, 6262), (3131, 5780), (3434, 5270)]