19493075

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 29998080

約数和(自身を除く): 10505005

約数列:

[1, 5, 7, 23, 25, 29, 35, 115, 145, 161, 167, 175, 203, 575, 667, 725, 805, 835, 1015, 1169, 3335, 3841, 4025, 4175, 4669, 4843, 5075, 5845, 16675, 19205, 23345, 24215, 26887, 29225, 33901, 96025, 111389, 116725, 121075, 134435, 169505, 556945, 672175, 779723, 847525, 2784725, 3898615, 19493075]

約数ペア:

[(1, 19493075), (5, 3898615), (7, 2784725), (23, 847525), (25, 779723), (29, 672175), (35, 556945), (115, 169505), (145, 134435), (161, 121075), (167, 116725), (175, 111389), (203, 96025), (575, 33901), (667, 29225), (725, 26887), (805, 24215), (835, 23345), (1015, 19205), (1169, 16675), (3335, 5845), (3841, 5075), (4025, 4843), (4175, 4669)]