19254040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:692

約数の個数: 64

約数和(自身を含む): 47496960

約数和(自身を除く): 28242920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 607, 610, 793, 1214, 1220, 1586, 2428, 2440, 3035, 3172, 3965, 4856, 6070, 6344, 7891, 7930, 12140, 15782, 15860, 24280, 31564, 31720, 37027, 39455, 63128, 74054, 78910, 148108, 157820, 185135, 296216, 315640, 370270, 481351, 740540, 962702, 1481080, 1925404, 2406755, 3850808, 4813510, 9627020, 19254040]

約数ペア:

[(1, 19254040), (2, 9627020), (4, 4813510), (5, 3850808), (8, 2406755), (10, 1925404), (13, 1481080), (20, 962702), (26, 740540), (40, 481351), (52, 370270), (61, 315640), (65, 296216), (104, 185135), (122, 157820), (130, 148108), (244, 78910), (260, 74054), (305, 63128), (488, 39455), (520, 37027), (607, 31720), (610, 31564), (793, 24280), (1214, 15860), (1220, 15782), (1586, 12140), (2428, 7930), (2440, 7891), (3035, 6344), (3172, 6070), (3965, 4856)]