19807116

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 56125440

約数和(自身を除く): 36318324

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 47, 58, 84, 87, 94, 116, 141, 173, 174, 188, 203, 282, 329, 346, 348, 406, 519, 564, 609, 658, 692, 812, 987, 1038, 1211, 1218, 1316, 1363, 1974, 2076, 2422, 2436, 2726, 3633, 3948, 4089, 4844, 5017, 5452, 7266, 8131, 8178, 9541, 10034, 14532, 15051, 16262, 16356, 19082, 20068, 24393, 28623, 30102, 32524, 35119, 38164, 48786, 56917, 57246, 60204, 70238, 97572, 105357, 113834, 114492, 140476, 170751, 210714, 227668, 235799, 341502, 421428, 471598, 683004, 707397, 943196, 1414794, 1650593, 2829588, 3301186, 4951779, 6602372, 9903558, 19807116]

約数ペア:

[(1, 19807116), (2, 9903558), (3, 6602372), (4, 4951779), (6, 3301186), (7, 2829588), (12, 1650593), (14, 1414794), (21, 943196), (28, 707397), (29, 683004), (42, 471598), (47, 421428), (58, 341502), (84, 235799), (87, 227668), (94, 210714), (116, 170751), (141, 140476), (173, 114492), (174, 113834), (188, 105357), (203, 97572), (282, 70238), (329, 60204), (346, 57246), (348, 56917), (406, 48786), (519, 38164), (564, 35119), (609, 32524), (658, 30102), (692, 28623), (812, 24393), (987, 20068), (1038, 19082), (1211, 16356), (1218, 16262), (1316, 15051), (1363, 14532), (1974, 10034), (2076, 9541), (2422, 8178), (2436, 8131), (2726, 7266), (3633, 5452), (3948, 5017), (4089, 4844)]