19507140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 63488880

約数和(自身を除く): 43981740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 37, 45, 58, 60, 74, 87, 90, 101, 111, 116, 145, 148, 174, 180, 185, 202, 222, 261, 290, 303, 333, 348, 370, 404, 435, 444, 505, 522, 555, 580, 606, 666, 740, 870, 909, 1010, 1044, 1073, 1110, 1212, 1305, 1332, 1515, 1665, 1740, 1818, 2020, 2146, 2220, 2610, 2929, 3030, 3219, 3330, 3636, 3737, 4292, 4545, 5220, 5365, 5858, 6060, 6438, 6660, 7474, 8787, 9090, 9657, 10730, 11211, 11716, 12876, 14645, 14948, 16095, 17574, 18180, 18685, 19314, 21460, 22422, 26361, 29290, 32190, 33633, 35148, 37370, 38628, 43935, 44844, 48285, 52722, 56055, 58580, 64380, 67266, 74740, 87870, 96570, 105444, 108373, 112110, 131805, 134532, 168165, 175740, 193140, 216746, 224220, 263610, 325119, 336330, 433492, 527220, 541865, 650238, 672660, 975357, 1083730, 1300476, 1625595, 1950714, 2167460, 3251190, 3901428, 4876785, 6502380, 9753570, 19507140]

約数ペア:

[(1, 19507140), (2, 9753570), (3, 6502380), (4, 4876785), (5, 3901428), (6, 3251190), (9, 2167460), (10, 1950714), (12, 1625595), (15, 1300476), (18, 1083730), (20, 975357), (29, 672660), (30, 650238), (36, 541865), (37, 527220), (45, 433492), (58, 336330), (60, 325119), (74, 263610), (87, 224220), (90, 216746), (101, 193140), (111, 175740), (116, 168165), (145, 134532), (148, 131805), (174, 112110), (180, 108373), (185, 105444), (202, 96570), (222, 87870), (261, 74740), (290, 67266), (303, 64380), (333, 58580), (348, 56055), (370, 52722), (404, 48285), (435, 44844), (444, 43935), (505, 38628), (522, 37370), (555, 35148), (580, 33633), (606, 32190), (666, 29290), (740, 26361), (870, 22422), (909, 21460), (1010, 19314), (1044, 18685), (1073, 18180), (1110, 17574), (1212, 16095), (1305, 14948), (1332, 14645), (1515, 12876), (1665, 11716), (1740, 11211), (1818, 10730), (2020, 9657), (2146, 9090), (2220, 8787), (2610, 7474), (2929, 6660), (3030, 6438), (3219, 6060), (3330, 5858), (3636, 5365), (3737, 5220), (4292, 4545)]