18998479968

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{109519}}^1$

素因数の和:109684

約数の個数: 96

約数和(自身を含む): 54094118400

約数和(自身を除く): 35095638432

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 139, 156, 208, 278, 312, 416, 417, 556, 624, 834, 1112, 1248, 1668, 1807, 2224, 3336, 3614, 4448, 5421, 6672, 7228, 10842, 13344, 14456, 21684, 28912, 43368, 57824, 86736, 109519, 173472, 219038, 328557, 438076, 657114, 876152, 1314228, 1423747, 1752304, 2628456, 2847494, 3504608, 4271241, 5256912, 5694988, 8542482, 10513824, 11389976, 15223141, 17084964, 22779952, 30446282, 34169928, 45559904, 45669423, 60892564, 68339856, 91338846, 121785128, 136679712, 182677692, 197900833, 243570256, 365355384, 395801666, 487140512, 593702499, 730710768, 791603332, 1187404998, 1461421536, 1583206664, 2374809996, 3166413328, 4749619992, 6332826656, 9499239984, 18998479968]

約数ペア:

[(1, 18998479968), (2, 9499239984), (3, 6332826656), (4, 4749619992), (6, 3166413328), (8, 2374809996), (12, 1583206664), (13, 1461421536), (16, 1187404998), (24, 791603332), (26, 730710768), (32, 593702499), (39, 487140512), (48, 395801666), (52, 365355384), (78, 243570256), (96, 197900833), (104, 182677692), (139, 136679712), (156, 121785128), (208, 91338846), (278, 68339856), (312, 60892564), (416, 45669423), (417, 45559904), (556, 34169928), (624, 30446282), (834, 22779952), (1112, 17084964), (1248, 15223141), (1668, 11389976), (1807, 10513824), (2224, 8542482), (3336, 5694988), (3614, 5256912), (4448, 4271241), (5421, 3504608), (6672, 2847494), (7228, 2628456), (10842, 1752304), (13344, 1423747), (14456, 1314228), (21684, 876152), (28912, 657114), (43368, 438076), (57824, 328557), (86736, 219038), (109519, 173472)]