19463388

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 53625600

約数和(自身を除く): 34162212

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 79, 84, 98, 147, 158, 196, 237, 294, 316, 419, 474, 553, 588, 838, 948, 1106, 1257, 1659, 1676, 2212, 2514, 2933, 3318, 3871, 5028, 5866, 6636, 7742, 8799, 11613, 11732, 15484, 17598, 20531, 23226, 33101, 35196, 41062, 46452, 61593, 66202, 82124, 99303, 123186, 132404, 198606, 231707, 246372, 397212, 463414, 695121, 926828, 1390242, 1621949, 2780484, 3243898, 4865847, 6487796, 9731694, 19463388]

約数ペア:

[(1, 19463388), (2, 9731694), (3, 6487796), (4, 4865847), (6, 3243898), (7, 2780484), (12, 1621949), (14, 1390242), (21, 926828), (28, 695121), (42, 463414), (49, 397212), (79, 246372), (84, 231707), (98, 198606), (147, 132404), (158, 123186), (196, 99303), (237, 82124), (294, 66202), (316, 61593), (419, 46452), (474, 41062), (553, 35196), (588, 33101), (838, 23226), (948, 20531), (1106, 17598), (1257, 15484), (1659, 11732), (1676, 11613), (2212, 8799), (2514, 7742), (2933, 6636), (3318, 5866), (3871, 5028)]