18456340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 46395720

約数和(自身を除く): 27939380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 509, 518, 740, 980, 1018, 1036, 1295, 1813, 2036, 2545, 2590, 3563, 3626, 5090, 5180, 7126, 7252, 9065, 10180, 14252, 17815, 18130, 18833, 24941, 35630, 36260, 37666, 49882, 71260, 75332, 94165, 99764, 124705, 131831, 188330, 249410, 263662, 376660, 498820, 527324, 659155, 922817, 1318310, 1845634, 2636620, 3691268, 4614085, 9228170, 18456340]

約数ペア:

[(1, 18456340), (2, 9228170), (4, 4614085), (5, 3691268), (7, 2636620), (10, 1845634), (14, 1318310), (20, 922817), (28, 659155), (35, 527324), (37, 498820), (49, 376660), (70, 263662), (74, 249410), (98, 188330), (140, 131831), (148, 124705), (185, 99764), (196, 94165), (245, 75332), (259, 71260), (370, 49882), (490, 37666), (509, 36260), (518, 35630), (740, 24941), (980, 18833), (1018, 18130), (1036, 17815), (1295, 14252), (1813, 10180), (2036, 9065), (2545, 7252), (2590, 7126), (3563, 5180), (3626, 5090)]