19045740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 61576704

約数和(自身を除く): 42530964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 137, 140, 210, 274, 331, 411, 420, 548, 662, 685, 822, 959, 993, 1324, 1370, 1644, 1655, 1918, 1986, 2055, 2317, 2740, 2877, 3310, 3836, 3972, 4110, 4634, 4795, 4965, 5754, 6620, 6951, 8220, 9268, 9590, 9930, 11508, 11585, 13902, 14385, 19180, 19860, 23170, 27804, 28770, 34755, 45347, 46340, 57540, 69510, 90694, 136041, 139020, 181388, 226735, 272082, 317429, 453470, 544164, 634858, 680205, 906940, 952287, 1269716, 1360410, 1587145, 1904574, 2720820, 3174290, 3809148, 4761435, 6348580, 9522870, 19045740]

約数ペア:

[(1, 19045740), (2, 9522870), (3, 6348580), (4, 4761435), (5, 3809148), (6, 3174290), (7, 2720820), (10, 1904574), (12, 1587145), (14, 1360410), (15, 1269716), (20, 952287), (21, 906940), (28, 680205), (30, 634858), (35, 544164), (42, 453470), (60, 317429), (70, 272082), (84, 226735), (105, 181388), (137, 139020), (140, 136041), (210, 90694), (274, 69510), (331, 57540), (411, 46340), (420, 45347), (548, 34755), (662, 28770), (685, 27804), (822, 23170), (959, 19860), (993, 19180), (1324, 14385), (1370, 13902), (1644, 11585), (1655, 11508), (1918, 9930), (1986, 9590), (2055, 9268), (2317, 8220), (2740, 6951), (2877, 6620), (3310, 5754), (3836, 4965), (3972, 4795), (4110, 4634)]