19291020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1997}}^1$

素因数の和:2039

約数の個数: 96

約数和(自身を含む): 64447488

約数和(自身を除く): 45156468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 1997, 2415, 3220, 3994, 4830, 5991, 7988, 9660, 9985, 11982, 13979, 19970, 23964, 27958, 29955, 39940, 41937, 45931, 55916, 59910, 69895, 83874, 91862, 119820, 137793, 139790, 167748, 183724, 209685, 229655, 275586, 279580, 321517, 419370, 459310, 551172, 643034, 688965, 838740, 918620, 964551, 1286068, 1377930, 1607585, 1929102, 2755860, 3215170, 3858204, 4822755, 6430340, 9645510, 19291020]

約数ペア:

[(1, 19291020), (2, 9645510), (3, 6430340), (4, 4822755), (5, 3858204), (6, 3215170), (7, 2755860), (10, 1929102), (12, 1607585), (14, 1377930), (15, 1286068), (20, 964551), (21, 918620), (23, 838740), (28, 688965), (30, 643034), (35, 551172), (42, 459310), (46, 419370), (60, 321517), (69, 279580), (70, 275586), (84, 229655), (92, 209685), (105, 183724), (115, 167748), (138, 139790), (140, 137793), (161, 119820), (210, 91862), (230, 83874), (276, 69895), (322, 59910), (345, 55916), (420, 45931), (460, 41937), (483, 39940), (644, 29955), (690, 27958), (805, 23964), (966, 19970), (1380, 13979), (1610, 11982), (1932, 9985), (1997, 9660), (2415, 7988), (3220, 5991), (3994, 4830)]