19290928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 42854400

約数和(自身を除く): 23563472

約数列:

[1, 2, 4, 8, 16, 19, 23, 31, 38, 46, 62, 76, 89, 92, 124, 152, 178, 184, 248, 304, 356, 368, 437, 496, 589, 712, 713, 874, 1178, 1424, 1426, 1691, 1748, 2047, 2356, 2759, 2852, 3382, 3496, 4094, 4712, 5518, 5704, 6764, 6992, 8188, 9424, 11036, 11408, 13528, 13547, 16376, 22072, 27056, 27094, 32752, 38893, 44144, 52421, 54188, 63457, 77786, 104842, 108376, 126914, 155572, 209684, 216752, 253828, 311144, 419368, 507656, 622288, 838736, 1015312, 1205683, 2411366, 4822732, 9645464, 19290928]

約数ペア:

[(1, 19290928), (2, 9645464), (4, 4822732), (8, 2411366), (16, 1205683), (19, 1015312), (23, 838736), (31, 622288), (38, 507656), (46, 419368), (62, 311144), (76, 253828), (89, 216752), (92, 209684), (124, 155572), (152, 126914), (178, 108376), (184, 104842), (248, 77786), (304, 63457), (356, 54188), (368, 52421), (437, 44144), (496, 38893), (589, 32752), (712, 27094), (713, 27056), (874, 22072), (1178, 16376), (1424, 13547), (1426, 13528), (1691, 11408), (1748, 11036), (2047, 9424), (2356, 8188), (2759, 6992), (2852, 6764), (3382, 5704), (3496, 5518), (4094, 4712)]