19904552

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7703}}^1$

素因数の和:7745

約数の個数: 32

約数和(自身を含む): 41601600

約数和(自身を除く): 21697048

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7703, 15406, 30812, 61624, 130951, 146357, 261902, 292714, 523804, 585428, 1047608, 1170856, 2488069, 4976138, 9952276, 19904552]

約数ペア:

[(1, 19904552), (2, 9952276), (4, 4976138), (8, 2488069), (17, 1170856), (19, 1047608), (34, 585428), (38, 523804), (68, 292714), (76, 261902), (136, 146357), (152, 130951), (323, 61624), (646, 30812), (1292, 15406), (2584, 7703)]