19574320

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{797}}^1$

素因数の和:1117

約数の個数: 40

約数和(自身を含む): 45715824

約数和(自身を除く): 26141504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 797, 1228, 1535, 1594, 2456, 3070, 3188, 3985, 4912, 6140, 6376, 7970, 12280, 12752, 15940, 24560, 31880, 63760, 244679, 489358, 978716, 1223395, 1957432, 2446790, 3914864, 4893580, 9787160, 19574320]

約数ペア:

[(1, 19574320), (2, 9787160), (4, 4893580), (5, 3914864), (8, 2446790), (10, 1957432), (16, 1223395), (20, 978716), (40, 489358), (80, 244679), (307, 63760), (614, 31880), (797, 24560), (1228, 15940), (1535, 12752), (1594, 12280), (2456, 7970), (3070, 6376), (3188, 6140), (3985, 4912)]