18191905648

素因数分解:

$2^4\times 7^1\times {\mathrm{2281}}^1\times {\mathrm{71209}}^1$

素因数の和:73505

約数の個数: 40

約数和(自身を含む): 40300302560

約数和(自身を除く): 22108396912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2281, 4562, 9124, 15967, 18248, 31934, 36496, 63868, 71209, 127736, 142418, 255472, 284836, 498463, 569672, 996926, 1139344, 1993852, 3987704, 7975408, 162427729, 324855458, 649710916, 1136994103, 1299421832, 2273988206, 2598843664, 4547976412, 9095952824, 18191905648]

約数ペア:

[(1, 18191905648), (2, 9095952824), (4, 4547976412), (7, 2598843664), (8, 2273988206), (14, 1299421832), (16, 1136994103), (28, 649710916), (56, 324855458), (112, 162427729), (2281, 7975408), (4562, 3987704), (9124, 1993852), (15967, 1139344), (18248, 996926), (31934, 569672), (36496, 498463), (63868, 284836), (71209, 255472), (127736, 142418)]