19277388

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2423}}^1$

素因数の和:2463

約数の個数: 72

約数和(自身を含む): 55587168

約数和(自身を除く): 36309780

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 306, 442, 468, 612, 663, 884, 1326, 1989, 2423, 2652, 3978, 4846, 7269, 7956, 9692, 14538, 21807, 29076, 31499, 41191, 43614, 62998, 82382, 87228, 94497, 123573, 125996, 164764, 188994, 247146, 283491, 370719, 377988, 494292, 535483, 566982, 741438, 1070966, 1133964, 1482876, 1606449, 2141932, 3212898, 4819347, 6425796, 9638694, 19277388]

約数ペア:

[(1, 19277388), (2, 9638694), (3, 6425796), (4, 4819347), (6, 3212898), (9, 2141932), (12, 1606449), (13, 1482876), (17, 1133964), (18, 1070966), (26, 741438), (34, 566982), (36, 535483), (39, 494292), (51, 377988), (52, 370719), (68, 283491), (78, 247146), (102, 188994), (117, 164764), (153, 125996), (156, 123573), (204, 94497), (221, 87228), (234, 82382), (306, 62998), (442, 43614), (468, 41191), (612, 31499), (663, 29076), (884, 21807), (1326, 14538), (1989, 9692), (2423, 7956), (2652, 7269), (3978, 4846)]