18943304

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7331}}^1$

素因数の和:7373

約数の個数: 32

約数和(自身を含む): 39592800

約数和(自身を除く): 20649496

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7331, 14662, 29324, 58648, 124627, 139289, 249254, 278578, 498508, 557156, 997016, 1114312, 2367913, 4735826, 9471652, 18943304]

約数ペア:

[(1, 18943304), (2, 9471652), (4, 4735826), (8, 2367913), (17, 1114312), (19, 997016), (34, 557156), (38, 498508), (68, 278578), (76, 249254), (136, 139289), (152, 124627), (323, 58648), (646, 29324), (1292, 14662), (2584, 7331)]