19036920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 66147840

約数和(自身を除く): 47110920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 131, 140, 168, 173, 210, 262, 280, 346, 393, 420, 519, 524, 655, 692, 786, 840, 865, 917, 1038, 1048, 1211, 1310, 1384, 1572, 1730, 1834, 1965, 2076, 2422, 2595, 2620, 2751, 3144, 3460, 3633, 3668, 3930, 4152, 4585, 4844, 5190, 5240, 5502, 6055, 6920, 7266, 7336, 7860, 9170, 9688, 10380, 11004, 12110, 13755, 14532, 15720, 18165, 18340, 20760, 22008, 22663, 24220, 27510, 29064, 36330, 36680, 45326, 48440, 55020, 67989, 72660, 90652, 110040, 113315, 135978, 145320, 158641, 181304, 226630, 271956, 317282, 339945, 453260, 475923, 543912, 634564, 679890, 793205, 906520, 951846, 1269128, 1359780, 1586410, 1903692, 2379615, 2719560, 3172820, 3807384, 4759230, 6345640, 9518460, 19036920]

約数ペア:

[(1, 19036920), (2, 9518460), (3, 6345640), (4, 4759230), (5, 3807384), (6, 3172820), (7, 2719560), (8, 2379615), (10, 1903692), (12, 1586410), (14, 1359780), (15, 1269128), (20, 951846), (21, 906520), (24, 793205), (28, 679890), (30, 634564), (35, 543912), (40, 475923), (42, 453260), (56, 339945), (60, 317282), (70, 271956), (84, 226630), (105, 181304), (120, 158641), (131, 145320), (140, 135978), (168, 113315), (173, 110040), (210, 90652), (262, 72660), (280, 67989), (346, 55020), (393, 48440), (420, 45326), (519, 36680), (524, 36330), (655, 29064), (692, 27510), (786, 24220), (840, 22663), (865, 22008), (917, 20760), (1038, 18340), (1048, 18165), (1211, 15720), (1310, 14532), (1384, 13755), (1572, 12110), (1730, 11004), (1834, 10380), (1965, 9688), (2076, 9170), (2422, 7860), (2595, 7336), (2620, 7266), (2751, 6920), (3144, 6055), (3460, 5502), (3633, 5240), (3668, 5190), (3930, 4844), (4152, 4585)]