19823880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^2$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 62242560

約数和(自身を除く): 42418680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 73, 93, 120, 124, 146, 155, 186, 219, 248, 292, 310, 365, 372, 438, 465, 584, 620, 730, 744, 876, 930, 1095, 1240, 1460, 1752, 1860, 2190, 2263, 2920, 3720, 4380, 4526, 5329, 6789, 8760, 9052, 10658, 11315, 13578, 15987, 18104, 21316, 22630, 26645, 27156, 31974, 33945, 42632, 45260, 53290, 54312, 63948, 67890, 79935, 90520, 106580, 127896, 135780, 159870, 165199, 213160, 271560, 319740, 330398, 495597, 639480, 660796, 825995, 991194, 1321592, 1651990, 1982388, 2477985, 3303980, 3964776, 4955970, 6607960, 9911940, 19823880]

約数ペア:

[(1, 19823880), (2, 9911940), (3, 6607960), (4, 4955970), (5, 3964776), (6, 3303980), (8, 2477985), (10, 1982388), (12, 1651990), (15, 1321592), (20, 991194), (24, 825995), (30, 660796), (31, 639480), (40, 495597), (60, 330398), (62, 319740), (73, 271560), (93, 213160), (120, 165199), (124, 159870), (146, 135780), (155, 127896), (186, 106580), (219, 90520), (248, 79935), (292, 67890), (310, 63948), (365, 54312), (372, 53290), (438, 45260), (465, 42632), (584, 33945), (620, 31974), (730, 27156), (744, 26645), (876, 22630), (930, 21316), (1095, 18104), (1240, 15987), (1460, 13578), (1752, 11315), (1860, 10658), (2190, 9052), (2263, 8760), (2920, 6789), (3720, 5329), (4380, 4526)]