19446856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 24098744

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 89, 104, 143, 178, 191, 286, 356, 382, 572, 712, 764, 979, 1144, 1157, 1528, 1958, 2101, 2314, 2483, 3916, 4202, 4628, 4966, 7832, 8404, 9256, 9932, 12727, 16808, 16999, 19864, 25454, 27313, 33998, 50908, 54626, 67996, 101816, 109252, 135992, 186989, 218504, 220987, 373978, 441974, 747956, 883948, 1495912, 1767896, 2430857, 4861714, 9723428, 19446856]

約数ペア:

[(1, 19446856), (2, 9723428), (4, 4861714), (8, 2430857), (11, 1767896), (13, 1495912), (22, 883948), (26, 747956), (44, 441974), (52, 373978), (88, 220987), (89, 218504), (104, 186989), (143, 135992), (178, 109252), (191, 101816), (286, 67996), (356, 54626), (382, 50908), (572, 33998), (712, 27313), (764, 25454), (979, 19864), (1144, 16999), (1157, 16808), (1528, 12727), (1958, 9932), (2101, 9256), (2314, 8404), (2483, 7832), (3916, 4966), (4202, 4628)]