18895978144

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{1213}}^1$

素因数の和:1542

約数の個数: 96

約数和(自身を含む): 39060887040

約数和(自身を除く): 20164908896

約数列:

[1, 2, 4, 8, 16, 32, 37, 59, 74, 118, 148, 223, 236, 296, 446, 472, 592, 892, 944, 1184, 1213, 1784, 1888, 2183, 2426, 3568, 4366, 4852, 7136, 8251, 8732, 9704, 13157, 16502, 17464, 19408, 26314, 33004, 34928, 38816, 44881, 52628, 66008, 69856, 71567, 89762, 105256, 132016, 143134, 179524, 210512, 264032, 270499, 286268, 359048, 421024, 486809, 540998, 572536, 718096, 973618, 1081996, 1145072, 1436192, 1947236, 2163992, 2290144, 2647979, 3894472, 4327984, 5295958, 7788944, 8655968, 10008463, 10591916, 15577888, 15959441, 20016926, 21183832, 31918882, 40033852, 42367664, 63837764, 80067704, 84735328, 127675528, 160135408, 255351056, 320270816, 510702112, 590499317, 1180998634, 2361997268, 4723994536, 9447989072, 18895978144]

約数ペア:

[(1, 18895978144), (2, 9447989072), (4, 4723994536), (8, 2361997268), (16, 1180998634), (32, 590499317), (37, 510702112), (59, 320270816), (74, 255351056), (118, 160135408), (148, 127675528), (223, 84735328), (236, 80067704), (296, 63837764), (446, 42367664), (472, 40033852), (592, 31918882), (892, 21183832), (944, 20016926), (1184, 15959441), (1213, 15577888), (1784, 10591916), (1888, 10008463), (2183, 8655968), (2426, 7788944), (3568, 5295958), (4366, 4327984), (4852, 3894472), (7136, 2647979), (8251, 2290144), (8732, 2163992), (9704, 1947236), (13157, 1436192), (16502, 1145072), (17464, 1081996), (19408, 973618), (26314, 718096), (33004, 572536), (34928, 540998), (38816, 486809), (44881, 421024), (52628, 359048), (66008, 286268), (69856, 270499), (71567, 264032), (89762, 210512), (105256, 179524), (132016, 143134)]