19424860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{821}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 50543136

約数和(自身を除く): 31118276

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 821, 845, 910, 1183, 1642, 1690, 1820, 2366, 3284, 3380, 4105, 4732, 5747, 5915, 8210, 10673, 11494, 11830, 16420, 21346, 22988, 23660, 28735, 42692, 53365, 57470, 74711, 106730, 114940, 138749, 149422, 213460, 277498, 298844, 373555, 554996, 693745, 747110, 971243, 1387490, 1494220, 1942486, 2774980, 3884972, 4856215, 9712430, 19424860]

約数ペア:

[(1, 19424860), (2, 9712430), (4, 4856215), (5, 3884972), (7, 2774980), (10, 1942486), (13, 1494220), (14, 1387490), (20, 971243), (26, 747110), (28, 693745), (35, 554996), (52, 373555), (65, 298844), (70, 277498), (91, 213460), (130, 149422), (140, 138749), (169, 114940), (182, 106730), (260, 74711), (338, 57470), (364, 53365), (455, 42692), (676, 28735), (821, 23660), (845, 22988), (910, 21346), (1183, 16420), (1642, 11830), (1690, 11494), (1820, 10673), (2366, 8210), (3284, 5915), (3380, 5747), (4105, 4732)]