18959388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 53813760

約数和(自身を除く): 34854372

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 43, 58, 84, 86, 87, 116, 129, 172, 174, 181, 203, 258, 301, 348, 362, 406, 516, 543, 602, 609, 724, 812, 903, 1086, 1204, 1218, 1247, 1267, 1806, 2172, 2436, 2494, 2534, 3612, 3741, 3801, 4988, 5068, 5249, 7482, 7602, 7783, 8729, 10498, 14964, 15204, 15566, 15747, 17458, 20996, 23349, 26187, 31132, 31494, 34916, 36743, 46698, 52374, 54481, 62988, 73486, 93396, 104748, 108962, 110229, 146972, 163443, 217924, 220458, 225707, 326886, 440916, 451414, 653772, 677121, 902828, 1354242, 1579949, 2708484, 3159898, 4739847, 6319796, 9479694, 18959388]

約数ペア:

[(1, 18959388), (2, 9479694), (3, 6319796), (4, 4739847), (6, 3159898), (7, 2708484), (12, 1579949), (14, 1354242), (21, 902828), (28, 677121), (29, 653772), (42, 451414), (43, 440916), (58, 326886), (84, 225707), (86, 220458), (87, 217924), (116, 163443), (129, 146972), (172, 110229), (174, 108962), (181, 104748), (203, 93396), (258, 73486), (301, 62988), (348, 54481), (362, 52374), (406, 46698), (516, 36743), (543, 34916), (602, 31494), (609, 31132), (724, 26187), (812, 23349), (903, 20996), (1086, 17458), (1204, 15747), (1218, 15566), (1247, 15204), (1267, 14964), (1806, 10498), (2172, 8729), (2436, 7783), (2494, 7602), (2534, 7482), (3612, 5249), (3741, 5068), (3801, 4988)]