19897488

素因数分解:

$2^4\times 3^4\times {\mathrm{13}}^1\times {\mathrm{1181}}^1$

素因数の和:1214

約数の個数: 100

約数和(自身を含む): 62071548

約数和(自身を除く): 42174060

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 208, 216, 234, 312, 324, 351, 432, 468, 624, 648, 702, 936, 1053, 1181, 1296, 1404, 1872, 2106, 2362, 2808, 3543, 4212, 4724, 5616, 7086, 8424, 9448, 10629, 14172, 15353, 16848, 18896, 21258, 28344, 30706, 31887, 42516, 46059, 56688, 61412, 63774, 85032, 92118, 95661, 122824, 127548, 138177, 170064, 184236, 191322, 245648, 255096, 276354, 368472, 382644, 414531, 510192, 552708, 736944, 765288, 829062, 1105416, 1243593, 1530576, 1658124, 2210832, 2487186, 3316248, 4974372, 6632496, 9948744, 19897488]

約数ペア:

[(1, 19897488), (2, 9948744), (3, 6632496), (4, 4974372), (6, 3316248), (8, 2487186), (9, 2210832), (12, 1658124), (13, 1530576), (16, 1243593), (18, 1105416), (24, 829062), (26, 765288), (27, 736944), (36, 552708), (39, 510192), (48, 414531), (52, 382644), (54, 368472), (72, 276354), (78, 255096), (81, 245648), (104, 191322), (108, 184236), (117, 170064), (144, 138177), (156, 127548), (162, 122824), (208, 95661), (216, 92118), (234, 85032), (312, 63774), (324, 61412), (351, 56688), (432, 46059), (468, 42516), (624, 31887), (648, 30706), (702, 28344), (936, 21258), (1053, 18896), (1181, 16848), (1296, 15353), (1404, 14172), (1872, 10629), (2106, 9448), (2362, 8424), (2808, 7086), (3543, 5616), (4212, 4724)]