20181489334

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{36871}}^1$

素因数の和:37132

約数の個数: 32

約数和(自身を含む): 32218458624

約数和(自身を除く): 12036969290

約数列:

[1, 2, 23, 46, 73, 146, 163, 326, 1679, 3358, 3749, 7498, 11899, 23798, 36871, 73742, 273677, 547354, 848033, 1696066, 2691583, 5383166, 6009973, 12019946, 61906409, 123812818, 138229379, 276458758, 438728029, 877456058, 10090744667, 20181489334]

約数ペア:

[(1, 20181489334), (2, 10090744667), (23, 877456058), (46, 438728029), (73, 276458758), (146, 138229379), (163, 123812818), (326, 61906409), (1679, 12019946), (3358, 6009973), (3749, 5383166), (7498, 2691583), (11899, 1696066), (23798, 848033), (36871, 547354), (73742, 273677)]