18984927

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 28901376

約数和(自身を除く): 9916449

約数列:

[1, 3, 13, 31, 39, 41, 93, 123, 383, 403, 533, 1149, 1209, 1271, 1599, 3813, 4979, 11873, 14937, 15703, 16523, 35619, 47109, 49569, 154349, 204139, 463047, 486793, 612417, 1460379, 6328309, 18984927]

約数ペア:

[(1, 18984927), (3, 6328309), (13, 1460379), (31, 612417), (39, 486793), (41, 463047), (93, 204139), (123, 154349), (383, 49569), (403, 47109), (533, 35619), (1149, 16523), (1209, 15703), (1271, 14937), (1599, 11873), (3813, 4979)]