19543888

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 48219136

約数和(自身を除く): 28675248

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 433, 434, 496, 728, 806, 866, 868, 1456, 1612, 1732, 1736, 2821, 3031, 3224, 3464, 3472, 5629, 5642, 6062, 6448, 6928, 11258, 11284, 12124, 13423, 22516, 22568, 24248, 26846, 39403, 45032, 45136, 48496, 53692, 78806, 90064, 93961, 107384, 157612, 174499, 187922, 214768, 315224, 348998, 375844, 630448, 697996, 751688, 1221493, 1395992, 1503376, 2442986, 2791984, 4885972, 9771944, 19543888]

約数ペア:

[(1, 19543888), (2, 9771944), (4, 4885972), (7, 2791984), (8, 2442986), (13, 1503376), (14, 1395992), (16, 1221493), (26, 751688), (28, 697996), (31, 630448), (52, 375844), (56, 348998), (62, 315224), (91, 214768), (104, 187922), (112, 174499), (124, 157612), (182, 107384), (208, 93961), (217, 90064), (248, 78806), (364, 53692), (403, 48496), (433, 45136), (434, 45032), (496, 39403), (728, 26846), (806, 24248), (866, 22568), (868, 22516), (1456, 13423), (1612, 12124), (1732, 11284), (1736, 11258), (2821, 6928), (3031, 6448), (3224, 6062), (3464, 5642), (3472, 5629)]