19293540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:737

約数の個数: 96

約数和(自身を含む): 62705664

約数和(自身を除く): 43412124

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 647, 710, 852, 994, 1065, 1294, 1420, 1491, 1941, 1988, 2130, 2485, 2588, 2982, 3235, 3882, 4260, 4529, 4970, 5964, 6470, 7455, 7764, 9058, 9705, 9940, 12940, 13587, 14910, 18116, 19410, 22645, 27174, 29820, 38820, 45290, 45937, 54348, 67935, 90580, 91874, 135870, 137811, 183748, 229685, 271740, 275622, 321559, 459370, 551244, 643118, 689055, 918740, 964677, 1286236, 1378110, 1607795, 1929354, 2756220, 3215590, 3858708, 4823385, 6431180, 9646770, 19293540]

約数ペア:

[(1, 19293540), (2, 9646770), (3, 6431180), (4, 4823385), (5, 3858708), (6, 3215590), (7, 2756220), (10, 1929354), (12, 1607795), (14, 1378110), (15, 1286236), (20, 964677), (21, 918740), (28, 689055), (30, 643118), (35, 551244), (42, 459370), (60, 321559), (70, 275622), (71, 271740), (84, 229685), (105, 183748), (140, 137811), (142, 135870), (210, 91874), (213, 90580), (284, 67935), (355, 54348), (420, 45937), (426, 45290), (497, 38820), (647, 29820), (710, 27174), (852, 22645), (994, 19410), (1065, 18116), (1294, 14910), (1420, 13587), (1491, 12940), (1941, 9940), (1988, 9705), (2130, 9058), (2485, 7764), (2588, 7455), (2982, 6470), (3235, 5964), (3882, 4970), (4260, 4529)]