19428780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{277}}^1$

素因数の和:463

約数の個数: 96

約数和(自身を含む): 62770176

約数和(自身を除く): 43341396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 167, 210, 277, 334, 420, 501, 554, 668, 831, 835, 1002, 1108, 1169, 1385, 1662, 1670, 1939, 2004, 2338, 2505, 2770, 3324, 3340, 3507, 3878, 4155, 4676, 5010, 5540, 5817, 5845, 7014, 7756, 8310, 9695, 10020, 11634, 11690, 14028, 16620, 17535, 19390, 23268, 23380, 29085, 35070, 38780, 46259, 58170, 70140, 92518, 116340, 138777, 185036, 231295, 277554, 323813, 462590, 555108, 647626, 693885, 925180, 971439, 1295252, 1387770, 1619065, 1942878, 2775540, 3238130, 3885756, 4857195, 6476260, 9714390, 19428780]

約数ペア:

[(1, 19428780), (2, 9714390), (3, 6476260), (4, 4857195), (5, 3885756), (6, 3238130), (7, 2775540), (10, 1942878), (12, 1619065), (14, 1387770), (15, 1295252), (20, 971439), (21, 925180), (28, 693885), (30, 647626), (35, 555108), (42, 462590), (60, 323813), (70, 277554), (84, 231295), (105, 185036), (140, 138777), (167, 116340), (210, 92518), (277, 70140), (334, 58170), (420, 46259), (501, 38780), (554, 35070), (668, 29085), (831, 23380), (835, 23268), (1002, 19390), (1108, 17535), (1169, 16620), (1385, 14028), (1662, 11690), (1670, 11634), (1939, 10020), (2004, 9695), (2338, 8310), (2505, 7756), (2770, 7014), (3324, 5845), (3340, 5817), (3507, 5540), (3878, 5010), (4155, 4676)]