18848620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 48254976

約数和(自身を除く): 29406356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 43, 62, 70, 86, 101, 124, 140, 155, 172, 202, 215, 217, 301, 310, 404, 430, 434, 505, 602, 620, 707, 860, 868, 1010, 1085, 1204, 1333, 1414, 1505, 2020, 2170, 2666, 2828, 3010, 3131, 3535, 4340, 4343, 5332, 6020, 6262, 6665, 7070, 8686, 9331, 12524, 13330, 14140, 15655, 17372, 18662, 21715, 21917, 26660, 30401, 31310, 37324, 43430, 43834, 46655, 60802, 62620, 86860, 87668, 93310, 109585, 121604, 134633, 152005, 186620, 219170, 269266, 304010, 438340, 538532, 608020, 673165, 942431, 1346330, 1884862, 2692660, 3769724, 4712155, 9424310, 18848620]

約数ペア:

[(1, 18848620), (2, 9424310), (4, 4712155), (5, 3769724), (7, 2692660), (10, 1884862), (14, 1346330), (20, 942431), (28, 673165), (31, 608020), (35, 538532), (43, 438340), (62, 304010), (70, 269266), (86, 219170), (101, 186620), (124, 152005), (140, 134633), (155, 121604), (172, 109585), (202, 93310), (215, 87668), (217, 86860), (301, 62620), (310, 60802), (404, 46655), (430, 43834), (434, 43430), (505, 37324), (602, 31310), (620, 30401), (707, 26660), (860, 21917), (868, 21715), (1010, 18662), (1085, 17372), (1204, 15655), (1333, 14140), (1414, 13330), (1505, 12524), (2020, 9331), (2170, 8686), (2666, 7070), (2828, 6665), (3010, 6262), (3131, 6020), (3535, 5332), (4340, 4343)]