20194674704

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{143477}}^1$

素因数の和:143967

約数の個数: 40

約数和(自身を含む): 41275751040

約数和(自身を除く): 21081076336

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 463, 926, 1852, 3704, 7408, 8797, 17594, 35188, 70376, 140752, 143477, 286954, 573908, 1147816, 2295632, 2726063, 5452126, 10904252, 21808504, 43617008, 66429851, 132859702, 265719404, 531438808, 1062877616, 1262167169, 2524334338, 5048668676, 10097337352, 20194674704]

約数ペア:

[(1, 20194674704), (2, 10097337352), (4, 5048668676), (8, 2524334338), (16, 1262167169), (19, 1062877616), (38, 531438808), (76, 265719404), (152, 132859702), (304, 66429851), (463, 43617008), (926, 21808504), (1852, 10904252), (3704, 5452126), (7408, 2726063), (8797, 2295632), (17594, 1147816), (35188, 573908), (70376, 286954), (140752, 143477)]