19421226

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:308

約数の個数: 72

約数和(自身を含む): 47699652

約数和(自身を除く): 28278426

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 74, 99, 111, 121, 198, 222, 241, 242, 333, 363, 407, 482, 666, 723, 726, 814, 1089, 1221, 1446, 2169, 2178, 2442, 2651, 3663, 4338, 4477, 5302, 7326, 7953, 8917, 8954, 13431, 15906, 17834, 23859, 26751, 26862, 29161, 40293, 47718, 53502, 58322, 80253, 80586, 87483, 98087, 160506, 174966, 196174, 262449, 294261, 524898, 588522, 882783, 1078957, 1765566, 2157914, 3236871, 6473742, 9710613, 19421226]

約数ペア:

[(1, 19421226), (2, 9710613), (3, 6473742), (6, 3236871), (9, 2157914), (11, 1765566), (18, 1078957), (22, 882783), (33, 588522), (37, 524898), (66, 294261), (74, 262449), (99, 196174), (111, 174966), (121, 160506), (198, 98087), (222, 87483), (241, 80586), (242, 80253), (333, 58322), (363, 53502), (407, 47718), (482, 40293), (666, 29161), (723, 26862), (726, 26751), (814, 23859), (1089, 17834), (1221, 15906), (1446, 13431), (2169, 8954), (2178, 8917), (2442, 7953), (2651, 7326), (3663, 5302), (4338, 4477)]