19452080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14303}}^1$

素因数の和:14333

約数の個数: 40

約数和(自身を含む): 47889792

約数和(自身を除く): 28437712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14303, 28606, 57212, 71515, 114424, 143030, 228848, 243151, 286060, 486302, 572120, 972604, 1144240, 1215755, 1945208, 2431510, 3890416, 4863020, 9726040, 19452080]

約数ペア:

[(1, 19452080), (2, 9726040), (4, 4863020), (5, 3890416), (8, 2431510), (10, 1945208), (16, 1215755), (17, 1144240), (20, 972604), (34, 572120), (40, 486302), (68, 286060), (80, 243151), (85, 228848), (136, 143030), (170, 114424), (272, 71515), (340, 57212), (680, 28606), (1360, 14303)]