17865601808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{10691}}^1$

素因数の和:10980

約数の個数: 80

約数和(自身を含む): 38183270400

約数和(自身を除く): 20317668592

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 239, 304, 368, 437, 478, 874, 956, 1748, 1912, 3496, 3824, 4541, 5497, 6992, 9082, 10691, 10994, 18164, 21382, 21988, 36328, 42764, 43976, 72656, 85528, 87952, 104443, 171056, 203129, 208886, 245893, 406258, 417772, 491786, 812516, 835544, 983572, 1625032, 1671088, 1967144, 2555149, 3250064, 3934288, 4671967, 5110298, 9343934, 10220596, 18687868, 20441192, 37375736, 40882384, 48547831, 58768427, 74751472, 97095662, 117536854, 194191324, 235073708, 388382648, 470147416, 776765296, 940294832, 1116600113, 2233200226, 4466400452, 8932800904, 17865601808]

約数ペア:

[(1, 17865601808), (2, 8932800904), (4, 4466400452), (8, 2233200226), (16, 1116600113), (19, 940294832), (23, 776765296), (38, 470147416), (46, 388382648), (76, 235073708), (92, 194191324), (152, 117536854), (184, 97095662), (239, 74751472), (304, 58768427), (368, 48547831), (437, 40882384), (478, 37375736), (874, 20441192), (956, 18687868), (1748, 10220596), (1912, 9343934), (3496, 5110298), (3824, 4671967), (4541, 3934288), (5497, 3250064), (6992, 2555149), (9082, 1967144), (10691, 1671088), (10994, 1625032), (18164, 983572), (21382, 835544), (21988, 812516), (36328, 491786), (42764, 417772), (43976, 406258), (72656, 245893), (85528, 208886), (87952, 203129), (104443, 171056)]