19794947816

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1\times {\mathrm{8089}}^1$

素因数の和:8682

約数の個数: 64

約数和(自身を含む): 42987024000

約数和(自身を除く): 23192076184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 491, 623, 712, 982, 1246, 1964, 2492, 3437, 3928, 4984, 6874, 8089, 13748, 16178, 27496, 32356, 43699, 56623, 64712, 87398, 113246, 174796, 226492, 305893, 349592, 452984, 611786, 719921, 1223572, 1439842, 2447144, 2879684, 3971699, 5039447, 5759368, 7943398, 10078894, 15886796, 20157788, 27801893, 31773592, 40315576, 55603786, 111207572, 222415144, 353481211, 706962422, 1413924844, 2474368477, 2827849688, 4948736954, 9897473908, 19794947816]

約数ペア:

[(1, 19794947816), (2, 9897473908), (4, 4948736954), (7, 2827849688), (8, 2474368477), (14, 1413924844), (28, 706962422), (56, 353481211), (89, 222415144), (178, 111207572), (356, 55603786), (491, 40315576), (623, 31773592), (712, 27801893), (982, 20157788), (1246, 15886796), (1964, 10078894), (2492, 7943398), (3437, 5759368), (3928, 5039447), (4984, 3971699), (6874, 2879684), (8089, 2447144), (13748, 1439842), (16178, 1223572), (27496, 719921), (32356, 611786), (43699, 452984), (56623, 349592), (64712, 305893), (87398, 226492), (113246, 174796)]