18913305584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{124679}}^1$

素因数の和:125205

約数の個数: 40

約数和(自身を含む): 38650800000

約数和(自身を除く): 19737494416

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 499, 998, 1996, 3992, 7984, 9481, 18962, 37924, 75848, 124679, 151696, 249358, 498716, 997432, 1994864, 2368901, 4737802, 9475604, 18951208, 37902416, 62214821, 124429642, 248859284, 497718568, 995437136, 1182081599, 2364163198, 4728326396, 9456652792, 18913305584]

約数ペア:

[(1, 18913305584), (2, 9456652792), (4, 4728326396), (8, 2364163198), (16, 1182081599), (19, 995437136), (38, 497718568), (76, 248859284), (152, 124429642), (304, 62214821), (499, 37902416), (998, 18951208), (1996, 9475604), (3992, 4737802), (7984, 2368901), (9481, 1994864), (18962, 997432), (37924, 498716), (75848, 249358), (124679, 151696)]