19214988

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3329}}^1$

素因数の和:3386

約数の個数: 48

約数和(自身を含む): 49603680

約数和(自身を除く): 30388692

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3329, 5772, 6658, 9987, 13316, 19974, 39948, 43277, 86554, 123173, 129831, 173108, 246346, 259662, 369519, 492692, 519324, 739038, 1478076, 1601249, 3202498, 4803747, 6404996, 9607494, 19214988]

約数ペア:

[(1, 19214988), (2, 9607494), (3, 6404996), (4, 4803747), (6, 3202498), (12, 1601249), (13, 1478076), (26, 739038), (37, 519324), (39, 492692), (52, 369519), (74, 259662), (78, 246346), (111, 173108), (148, 129831), (156, 123173), (222, 86554), (444, 43277), (481, 39948), (962, 19974), (1443, 13316), (1924, 9987), (2886, 6658), (3329, 5772)]