18725490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{29723}}^1$

素因数の和:29743

約数の個数: 48

約数和(自身を含む): 55643328

約数和(自身を除く): 36917838

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 29723, 59446, 89169, 148615, 178338, 208061, 267507, 297230, 416122, 445845, 535014, 624183, 891690, 1040305, 1248366, 1337535, 1872549, 2080610, 2675070, 3120915, 3745098, 6241830, 9362745, 18725490]

約数ペア:

[(1, 18725490), (2, 9362745), (3, 6241830), (5, 3745098), (6, 3120915), (7, 2675070), (9, 2080610), (10, 1872549), (14, 1337535), (15, 1248366), (18, 1040305), (21, 891690), (30, 624183), (35, 535014), (42, 445845), (45, 416122), (63, 297230), (70, 267507), (90, 208061), (105, 178338), (126, 148615), (210, 89169), (315, 59446), (630, 29723)]