1959999872

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{11351}}^1$

素因数の和:11455

約数の個数: 64

約数和(自身を含む): 4168454400

約数和(自身を除く): 2208454528

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 71, 76, 128, 142, 152, 284, 304, 568, 608, 1136, 1216, 1349, 2272, 2432, 2698, 4544, 5396, 9088, 10792, 11351, 21584, 22702, 43168, 45404, 86336, 90808, 172672, 181616, 215669, 363232, 431338, 726464, 805921, 862676, 1452928, 1611842, 1725352, 3223684, 3450704, 6447368, 6901408, 12894736, 13802816, 15312499, 25789472, 27605632, 30624998, 51578944, 61249996, 103157888, 122499992, 244999984, 489999968, 979999936, 1959999872]

約数ペア:

[(1, 1959999872), (2, 979999936), (4, 489999968), (8, 244999984), (16, 122499992), (19, 103157888), (32, 61249996), (38, 51578944), (64, 30624998), (71, 27605632), (76, 25789472), (128, 15312499), (142, 13802816), (152, 12894736), (284, 6901408), (304, 6447368), (568, 3450704), (608, 3223684), (1136, 1725352), (1216, 1611842), (1349, 1452928), (2272, 862676), (2432, 805921), (2698, 726464), (4544, 431338), (5396, 363232), (9088, 215669), (10792, 181616), (11351, 172672), (21584, 90808), (22702, 86336), (43168, 45404)]