19883652

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2357}}^1$

素因数の和:2420

約数の個数: 48

約数和(自身を含む): 50178240

約数和(自身を除く): 30294588

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 222, 228, 444, 703, 1406, 2109, 2357, 2812, 4218, 4714, 7071, 8436, 9428, 14142, 28284, 44783, 87209, 89566, 134349, 174418, 179132, 261627, 268698, 348836, 523254, 537396, 1046508, 1656971, 3313942, 4970913, 6627884, 9941826, 19883652]

約数ペア:

[(1, 19883652), (2, 9941826), (3, 6627884), (4, 4970913), (6, 3313942), (12, 1656971), (19, 1046508), (37, 537396), (38, 523254), (57, 348836), (74, 268698), (76, 261627), (111, 179132), (114, 174418), (148, 134349), (222, 89566), (228, 87209), (444, 44783), (703, 28284), (1406, 14142), (2109, 9428), (2357, 8436), (2812, 7071), (4218, 4714)]