18983736

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{13877}}^1$

素因数の和:13908

約数の個数: 48

約数和(自身を含む): 54124200

約数和(自身を除く): 35140464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 13877, 27754, 41631, 55508, 83262, 111016, 124893, 166524, 249786, 263663, 333048, 499572, 527326, 790989, 999144, 1054652, 1581978, 2109304, 2372967, 3163956, 4745934, 6327912, 9491868, 18983736]

約数ペア:

[(1, 18983736), (2, 9491868), (3, 6327912), (4, 4745934), (6, 3163956), (8, 2372967), (9, 2109304), (12, 1581978), (18, 1054652), (19, 999144), (24, 790989), (36, 527326), (38, 499572), (57, 333048), (72, 263663), (76, 249786), (114, 166524), (152, 124893), (171, 111016), (228, 83262), (342, 55508), (456, 41631), (684, 27754), (1368, 13877)]