19477952

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:637

約数の個数: 56

約数和(自身を含む): 42714672

約数和(自身を除く): 23236720

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 164, 208, 328, 416, 533, 571, 656, 832, 1066, 1142, 1312, 2132, 2284, 2624, 4264, 4568, 7423, 8528, 9136, 14846, 17056, 18272, 23411, 29692, 34112, 36544, 46822, 59384, 93644, 118768, 187288, 237536, 304343, 374576, 475072, 608686, 749152, 1217372, 1498304, 2434744, 4869488, 9738976, 19477952]

約数ペア:

[(1, 19477952), (2, 9738976), (4, 4869488), (8, 2434744), (13, 1498304), (16, 1217372), (26, 749152), (32, 608686), (41, 475072), (52, 374576), (64, 304343), (82, 237536), (104, 187288), (164, 118768), (208, 93644), (328, 59384), (416, 46822), (533, 36544), (571, 34112), (656, 29692), (832, 23411), (1066, 18272), (1142, 17056), (1312, 14846), (2132, 9136), (2284, 8528), (2624, 7423), (4264, 4568)]