19829650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 40075560

約数和(自身を除く): 20245910

約数列:

[1, 2, 5, 10, 17, 25, 34, 41, 50, 82, 85, 170, 205, 410, 425, 569, 697, 850, 1025, 1138, 1394, 2050, 2845, 3485, 5690, 6970, 9673, 14225, 17425, 19346, 23329, 28450, 34850, 46658, 48365, 96730, 116645, 233290, 241825, 396593, 483650, 583225, 793186, 1166450, 1982965, 3965930, 9914825, 19829650]

約数ペア:

[(1, 19829650), (2, 9914825), (5, 3965930), (10, 1982965), (17, 1166450), (25, 793186), (34, 583225), (41, 483650), (50, 396593), (82, 241825), (85, 233290), (170, 116645), (205, 96730), (410, 48365), (425, 46658), (569, 34850), (697, 28450), (850, 23329), (1025, 19346), (1138, 17425), (1394, 14225), (2050, 9673), (2845, 6970), (3485, 5690)]