19536390

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:379

約数の個数: 80

約数和(自身を含む): 53317440

約数和(自身を除く): 33781050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 89, 90, 135, 162, 178, 267, 270, 271, 405, 445, 534, 542, 801, 810, 813, 890, 1335, 1355, 1602, 1626, 2403, 2439, 2670, 2710, 4005, 4065, 4806, 4878, 7209, 7317, 8010, 8130, 12015, 12195, 14418, 14634, 21951, 24030, 24119, 24390, 36045, 36585, 43902, 48238, 72090, 72357, 73170, 109755, 120595, 144714, 217071, 219510, 241190, 361785, 434142, 651213, 723570, 1085355, 1302426, 1953639, 2170710, 3256065, 3907278, 6512130, 9768195, 19536390]

約数ペア:

[(1, 19536390), (2, 9768195), (3, 6512130), (5, 3907278), (6, 3256065), (9, 2170710), (10, 1953639), (15, 1302426), (18, 1085355), (27, 723570), (30, 651213), (45, 434142), (54, 361785), (81, 241190), (89, 219510), (90, 217071), (135, 144714), (162, 120595), (178, 109755), (267, 73170), (270, 72357), (271, 72090), (405, 48238), (445, 43902), (534, 36585), (542, 36045), (801, 24390), (810, 24119), (813, 24030), (890, 21951), (1335, 14634), (1355, 14418), (1602, 12195), (1626, 12015), (2403, 8130), (2439, 8010), (2670, 7317), (2710, 7209), (4005, 4878), (4065, 4806)]