19655160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23399}}^1$

素因数の和:23420

約数の個数: 64

約数和(自身を含む): 67392000

約数和(自身を除く): 47736840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23399, 46798, 70197, 93596, 116995, 140394, 163793, 187192, 233990, 280788, 327586, 350985, 467980, 491379, 561576, 655172, 701970, 818965, 935960, 982758, 1310344, 1403940, 1637930, 1965516, 2456895, 2807880, 3275860, 3931032, 4913790, 6551720, 9827580, 19655160]

約数ペア:

[(1, 19655160), (2, 9827580), (3, 6551720), (4, 4913790), (5, 3931032), (6, 3275860), (7, 2807880), (8, 2456895), (10, 1965516), (12, 1637930), (14, 1403940), (15, 1310344), (20, 982758), (21, 935960), (24, 818965), (28, 701970), (30, 655172), (35, 561576), (40, 491379), (42, 467980), (56, 350985), (60, 327586), (70, 280788), (84, 233990), (105, 187192), (120, 163793), (140, 140394), (168, 116995), (210, 93596), (280, 70197), (420, 46798), (840, 23399)]