19835040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 66062304

約数和(自身を除く): 46227264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 43, 48, 60, 62, 80, 86, 93, 96, 120, 124, 129, 155, 160, 172, 186, 215, 240, 248, 258, 310, 344, 372, 430, 465, 480, 496, 516, 620, 645, 688, 744, 860, 930, 961, 992, 1032, 1240, 1290, 1333, 1376, 1488, 1720, 1860, 1922, 2064, 2480, 2580, 2666, 2883, 2976, 3440, 3720, 3844, 3999, 4128, 4805, 4960, 5160, 5332, 5766, 6665, 6880, 7440, 7688, 7998, 9610, 10320, 10664, 11532, 13330, 14415, 14880, 15376, 15996, 19220, 19995, 20640, 21328, 23064, 26660, 28830, 30752, 31992, 38440, 39990, 41323, 42656, 46128, 53320, 57660, 63984, 76880, 79980, 82646, 92256, 106640, 115320, 123969, 127968, 153760, 159960, 165292, 206615, 213280, 230640, 247938, 319920, 330584, 413230, 461280, 495876, 619845, 639840, 661168, 826460, 991752, 1239690, 1322336, 1652920, 1983504, 2479380, 3305840, 3967008, 4958760, 6611680, 9917520, 19835040]

約数ペア:

[(1, 19835040), (2, 9917520), (3, 6611680), (4, 4958760), (5, 3967008), (6, 3305840), (8, 2479380), (10, 1983504), (12, 1652920), (15, 1322336), (16, 1239690), (20, 991752), (24, 826460), (30, 661168), (31, 639840), (32, 619845), (40, 495876), (43, 461280), (48, 413230), (60, 330584), (62, 319920), (80, 247938), (86, 230640), (93, 213280), (96, 206615), (120, 165292), (124, 159960), (129, 153760), (155, 127968), (160, 123969), (172, 115320), (186, 106640), (215, 92256), (240, 82646), (248, 79980), (258, 76880), (310, 63984), (344, 57660), (372, 53320), (430, 46128), (465, 42656), (480, 41323), (496, 39990), (516, 38440), (620, 31992), (645, 30752), (688, 28830), (744, 26660), (860, 23064), (930, 21328), (961, 20640), (992, 19995), (1032, 19220), (1240, 15996), (1290, 15376), (1333, 14880), (1376, 14415), (1488, 13330), (1720, 11532), (1860, 10664), (1922, 10320), (2064, 9610), (2480, 7998), (2580, 7688), (2666, 7440), (2883, 6880), (2976, 6665), (3440, 5766), (3720, 5332), (3844, 5160), (3999, 4960), (4128, 4805)]