31491018

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:833

約数の個数: 80

約数和(自身を含む): 80092320

約数和(自身を除く): 48601302

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 81, 114, 117, 162, 171, 234, 247, 342, 351, 494, 513, 702, 741, 787, 1026, 1053, 1482, 1539, 1574, 2106, 2223, 2361, 3078, 4446, 4722, 6669, 7083, 10231, 13338, 14166, 14953, 20007, 20462, 21249, 29906, 30693, 40014, 42498, 44859, 61386, 63747, 89718, 92079, 127494, 134577, 184158, 194389, 269154, 276237, 388778, 403731, 552474, 583167, 807462, 828711, 1166334, 1211193, 1657422, 1749501, 2422386, 3499002, 5248503, 10497006, 15745509, 31491018]

約数ペア:

[(1, 31491018), (2, 15745509), (3, 10497006), (6, 5248503), (9, 3499002), (13, 2422386), (18, 1749501), (19, 1657422), (26, 1211193), (27, 1166334), (38, 828711), (39, 807462), (54, 583167), (57, 552474), (78, 403731), (81, 388778), (114, 276237), (117, 269154), (162, 194389), (171, 184158), (234, 134577), (247, 127494), (342, 92079), (351, 89718), (494, 63747), (513, 61386), (702, 44859), (741, 42498), (787, 40014), (1026, 30693), (1053, 29906), (1482, 21249), (1539, 20462), (1574, 20007), (2106, 14953), (2223, 14166), (2361, 13338), (3078, 10231), (4446, 7083), (4722, 6669)]