19404420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{983}}^1$

素因数の和:1049

約数の個数: 96

約数和(自身を含む): 63479808

約数和(自身を除く): 44075388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 94, 105, 140, 141, 188, 210, 235, 282, 329, 420, 470, 564, 658, 705, 940, 983, 987, 1316, 1410, 1645, 1966, 1974, 2820, 2949, 3290, 3932, 3948, 4915, 4935, 5898, 6580, 6881, 9830, 9870, 11796, 13762, 14745, 19660, 19740, 20643, 27524, 29490, 34405, 41286, 46201, 58980, 68810, 82572, 92402, 103215, 137620, 138603, 184804, 206430, 231005, 277206, 323407, 412860, 462010, 554412, 646814, 693015, 924020, 970221, 1293628, 1386030, 1617035, 1940442, 2772060, 3234070, 3880884, 4851105, 6468140, 9702210, 19404420]

約数ペア:

[(1, 19404420), (2, 9702210), (3, 6468140), (4, 4851105), (5, 3880884), (6, 3234070), (7, 2772060), (10, 1940442), (12, 1617035), (14, 1386030), (15, 1293628), (20, 970221), (21, 924020), (28, 693015), (30, 646814), (35, 554412), (42, 462010), (47, 412860), (60, 323407), (70, 277206), (84, 231005), (94, 206430), (105, 184804), (140, 138603), (141, 137620), (188, 103215), (210, 92402), (235, 82572), (282, 68810), (329, 58980), (420, 46201), (470, 41286), (564, 34405), (658, 29490), (705, 27524), (940, 20643), (983, 19740), (987, 19660), (1316, 14745), (1410, 13762), (1645, 11796), (1966, 9870), (1974, 9830), (2820, 6881), (2949, 6580), (3290, 5898), (3932, 4935), (3948, 4915)]