19188728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{601}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 38937360

約数和(自身を除く): 19748632

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 307, 601, 614, 1202, 1228, 2404, 2456, 3991, 4808, 7813, 7982, 15626, 15964, 31252, 31928, 62504, 184507, 369014, 738028, 1476056, 2398591, 4797182, 9594364, 19188728]

約数ペア:

[(1, 19188728), (2, 9594364), (4, 4797182), (8, 2398591), (13, 1476056), (26, 738028), (52, 369014), (104, 184507), (307, 62504), (601, 31928), (614, 31252), (1202, 15964), (1228, 15626), (2404, 7982), (2456, 7813), (3991, 4808)]