18969420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{773}}^1$

素因数の和:1194

約数の個数: 48

約数和(自身を含む): 53313120

約数和(自身を除く): 34343700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 409, 773, 818, 1227, 1546, 1636, 2045, 2319, 2454, 3092, 3865, 4090, 4638, 4908, 6135, 7730, 8180, 9276, 11595, 12270, 15460, 23190, 24540, 46380, 316157, 632314, 948471, 1264628, 1580785, 1896942, 3161570, 3793884, 4742355, 6323140, 9484710, 18969420]

約数ペア:

[(1, 18969420), (2, 9484710), (3, 6323140), (4, 4742355), (5, 3793884), (6, 3161570), (10, 1896942), (12, 1580785), (15, 1264628), (20, 948471), (30, 632314), (60, 316157), (409, 46380), (773, 24540), (818, 23190), (1227, 15460), (1546, 12270), (1636, 11595), (2045, 9276), (2319, 8180), (2454, 7730), (3092, 6135), (3865, 4908), (4090, 4638)]