19564020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15527}}^1$

素因数の和:15549

約数の個数: 72

約数和(自身を含む): 67826304

約数和(自身を除く): 48262284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15527, 31054, 46581, 62108, 77635, 93162, 108689, 139743, 155270, 186324, 217378, 232905, 279486, 310540, 326067, 434756, 465810, 543445, 558972, 652134, 698715, 931620, 978201, 1086890, 1304268, 1397430, 1630335, 1956402, 2173780, 2794860, 3260670, 3912804, 4891005, 6521340, 9782010, 19564020]

約数ペア:

[(1, 19564020), (2, 9782010), (3, 6521340), (4, 4891005), (5, 3912804), (6, 3260670), (7, 2794860), (9, 2173780), (10, 1956402), (12, 1630335), (14, 1397430), (15, 1304268), (18, 1086890), (20, 978201), (21, 931620), (28, 698715), (30, 652134), (35, 558972), (36, 543445), (42, 465810), (45, 434756), (60, 326067), (63, 310540), (70, 279486), (84, 232905), (90, 217378), (105, 186324), (126, 155270), (140, 139743), (180, 108689), (210, 93162), (252, 77635), (315, 62108), (420, 46581), (630, 31054), (1260, 15527)]