19245720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{73}}^1$

素因数の和:126

約数の個数: 128

約数和(自身を含む): 63403200

約数和(自身を除く): 44157480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 73, 78, 104, 120, 130, 146, 156, 169, 195, 219, 260, 292, 312, 338, 365, 390, 438, 507, 520, 584, 676, 730, 780, 845, 876, 949, 1014, 1095, 1352, 1460, 1560, 1690, 1752, 1898, 2028, 2190, 2197, 2535, 2847, 2920, 3380, 3796, 4056, 4380, 4394, 4745, 5070, 5694, 6591, 6760, 7592, 8760, 8788, 9490, 10140, 10985, 11388, 12337, 13182, 14235, 17576, 18980, 20280, 21970, 22776, 24674, 26364, 28470, 32955, 37011, 37960, 43940, 49348, 52728, 56940, 61685, 65910, 74022, 87880, 98696, 113880, 123370, 131820, 148044, 160381, 185055, 246740, 263640, 296088, 320762, 370110, 481143, 493480, 641524, 740220, 801905, 962286, 1283048, 1480440, 1603810, 1924572, 2405715, 3207620, 3849144, 4811430, 6415240, 9622860, 19245720]

約数ペア:

[(1, 19245720), (2, 9622860), (3, 6415240), (4, 4811430), (5, 3849144), (6, 3207620), (8, 2405715), (10, 1924572), (12, 1603810), (13, 1480440), (15, 1283048), (20, 962286), (24, 801905), (26, 740220), (30, 641524), (39, 493480), (40, 481143), (52, 370110), (60, 320762), (65, 296088), (73, 263640), (78, 246740), (104, 185055), (120, 160381), (130, 148044), (146, 131820), (156, 123370), (169, 113880), (195, 98696), (219, 87880), (260, 74022), (292, 65910), (312, 61685), (338, 56940), (365, 52728), (390, 49348), (438, 43940), (507, 37960), (520, 37011), (584, 32955), (676, 28470), (730, 26364), (780, 24674), (845, 22776), (876, 21970), (949, 20280), (1014, 18980), (1095, 17576), (1352, 14235), (1460, 13182), (1560, 12337), (1690, 11388), (1752, 10985), (1898, 10140), (2028, 9490), (2190, 8788), (2197, 8760), (2535, 7592), (2847, 6760), (2920, 6591), (3380, 5694), (3796, 5070), (4056, 4745), (4380, 4394)]