19984314

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 48844800

約数和(自身を除く): 28860486

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 79, 114, 133, 158, 237, 266, 317, 399, 474, 553, 634, 798, 951, 1106, 1501, 1659, 1902, 2219, 3002, 3318, 4438, 4503, 6023, 6657, 9006, 10507, 12046, 13314, 18069, 21014, 25043, 31521, 36138, 42161, 50086, 63042, 75129, 84322, 126483, 150258, 175301, 252966, 350602, 475817, 525903, 951634, 1051806, 1427451, 2854902, 3330719, 6661438, 9992157, 19984314]

約数ペア:

[(1, 19984314), (2, 9992157), (3, 6661438), (6, 3330719), (7, 2854902), (14, 1427451), (19, 1051806), (21, 951634), (38, 525903), (42, 475817), (57, 350602), (79, 252966), (114, 175301), (133, 150258), (158, 126483), (237, 84322), (266, 75129), (317, 63042), (399, 50086), (474, 42161), (553, 36138), (634, 31521), (798, 25043), (951, 21014), (1106, 18069), (1501, 13314), (1659, 12046), (1902, 10507), (2219, 9006), (3002, 6657), (3318, 6023), (4438, 4503)]