18991170028

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{74383}}^1$

素因数の和:74518

約数の個数: 48

約数和(自身を含む): 35989954560

約数和(自身を除く): 16998784532

約数列:

[1, 2, 4, 29, 31, 58, 62, 71, 116, 124, 142, 284, 899, 1798, 2059, 2201, 3596, 4118, 4402, 8236, 8804, 63829, 74383, 127658, 148766, 255316, 297532, 2157107, 2305873, 4314214, 4611746, 5281193, 8628428, 9223492, 10562386, 21124772, 66870317, 133740634, 153154597, 163716983, 267481268, 306309194, 327433966, 612618388, 654867932, 4747792507, 9495585014, 18991170028]

約数ペア:

[(1, 18991170028), (2, 9495585014), (4, 4747792507), (29, 654867932), (31, 612618388), (58, 327433966), (62, 306309194), (71, 267481268), (116, 163716983), (124, 153154597), (142, 133740634), (284, 66870317), (899, 21124772), (1798, 10562386), (2059, 9223492), (2201, 8628428), (3596, 5281193), (4118, 4611746), (4402, 4314214), (8236, 2305873), (8804, 2157107), (63829, 297532), (74383, 255316), (127658, 148766)]