17680936

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:338

約数の個数: 64

約数和(自身を含む): 41328000

約数和(自身を除く): 23647064

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 149, 163, 182, 298, 326, 364, 596, 652, 728, 1043, 1141, 1192, 1304, 1937, 2086, 2119, 2282, 3874, 4172, 4238, 4564, 7748, 8344, 8476, 9128, 13559, 14833, 15496, 16952, 24287, 27118, 29666, 48574, 54236, 59332, 97148, 108472, 118664, 170009, 194296, 315731, 340018, 631462, 680036, 1262924, 1360072, 2210117, 2525848, 4420234, 8840468, 17680936]

約数ペア:

[(1, 17680936), (2, 8840468), (4, 4420234), (7, 2525848), (8, 2210117), (13, 1360072), (14, 1262924), (26, 680036), (28, 631462), (52, 340018), (56, 315731), (91, 194296), (104, 170009), (149, 118664), (163, 108472), (182, 97148), (298, 59332), (326, 54236), (364, 48574), (596, 29666), (652, 27118), (728, 24287), (1043, 16952), (1141, 15496), (1192, 14833), (1304, 13559), (1937, 9128), (2086, 8476), (2119, 8344), (2282, 7748), (3874, 4564), (4172, 4238)]