19530180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:690

約数の個数: 96

約数和(自身を含む): 61891200

約数和(自身を除く): 42361020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 59, 60, 90, 108, 118, 135, 177, 180, 236, 270, 295, 354, 531, 540, 590, 613, 708, 885, 1062, 1180, 1226, 1593, 1770, 1839, 2124, 2452, 2655, 3065, 3186, 3540, 3678, 5310, 5517, 6130, 6372, 7356, 7965, 9195, 10620, 11034, 12260, 15930, 16551, 18390, 22068, 27585, 31860, 33102, 36167, 36780, 55170, 66204, 72334, 82755, 108501, 110340, 144668, 165510, 180835, 217002, 325503, 331020, 361670, 434004, 542505, 651006, 723340, 976509, 1085010, 1302012, 1627515, 1953018, 2170020, 3255030, 3906036, 4882545, 6510060, 9765090, 19530180]

約数ペア:

[(1, 19530180), (2, 9765090), (3, 6510060), (4, 4882545), (5, 3906036), (6, 3255030), (9, 2170020), (10, 1953018), (12, 1627515), (15, 1302012), (18, 1085010), (20, 976509), (27, 723340), (30, 651006), (36, 542505), (45, 434004), (54, 361670), (59, 331020), (60, 325503), (90, 217002), (108, 180835), (118, 165510), (135, 144668), (177, 110340), (180, 108501), (236, 82755), (270, 72334), (295, 66204), (354, 55170), (531, 36780), (540, 36167), (590, 33102), (613, 31860), (708, 27585), (885, 22068), (1062, 18390), (1180, 16551), (1226, 15930), (1593, 12260), (1770, 11034), (1839, 10620), (2124, 9195), (2452, 7965), (2655, 7356), (3065, 6372), (3186, 6130), (3540, 5517), (3678, 5310)]