19943340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5449}}^1$

素因数の和:5522

約数の個数: 48

約数和(自身を含む): 56767200

約数和(自身を除く): 36823860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5449, 10898, 16347, 21796, 27245, 32694, 54490, 65388, 81735, 108980, 163470, 326940, 332389, 664778, 997167, 1329556, 1661945, 1994334, 3323890, 3988668, 4985835, 6647780, 9971670, 19943340]

約数ペア:

[(1, 19943340), (2, 9971670), (3, 6647780), (4, 4985835), (5, 3988668), (6, 3323890), (10, 1994334), (12, 1661945), (15, 1329556), (20, 997167), (30, 664778), (60, 332389), (61, 326940), (122, 163470), (183, 108980), (244, 81735), (305, 65388), (366, 54490), (610, 32694), (732, 27245), (915, 21796), (1220, 16347), (1830, 10898), (3660, 5449)]