18967590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2887}}^1$

素因数の和:2973

約数の個数: 48

約数和(自身を含む): 50008608

約数和(自身を除く): 31041018

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 90, 146, 219, 365, 438, 657, 730, 1095, 1314, 2190, 2887, 3285, 5774, 6570, 8661, 14435, 17322, 25983, 28870, 43305, 51966, 86610, 129915, 210751, 259830, 421502, 632253, 1053755, 1264506, 1896759, 2107510, 3161265, 3793518, 6322530, 9483795, 18967590]

約数ペア:

[(1, 18967590), (2, 9483795), (3, 6322530), (5, 3793518), (6, 3161265), (9, 2107510), (10, 1896759), (15, 1264506), (18, 1053755), (30, 632253), (45, 421502), (73, 259830), (90, 210751), (146, 129915), (219, 86610), (365, 51966), (438, 43305), (657, 28870), (730, 25983), (1095, 17322), (1314, 14435), (2190, 8661), (2887, 6570), (3285, 5774)]