19287900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{739}}^1$

素因数の和:788

約数の個数: 108

約数和(自身を含む): 62626200

約数和(自身を除く): 43338300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 29, 30, 36, 45, 50, 58, 60, 75, 87, 90, 100, 116, 145, 150, 174, 180, 225, 261, 290, 300, 348, 435, 450, 522, 580, 725, 739, 870, 900, 1044, 1305, 1450, 1478, 1740, 2175, 2217, 2610, 2900, 2956, 3695, 4350, 4434, 5220, 6525, 6651, 7390, 8700, 8868, 11085, 13050, 13302, 14780, 18475, 21431, 22170, 26100, 26604, 33255, 36950, 42862, 44340, 55425, 64293, 66510, 73900, 85724, 107155, 110850, 128586, 133020, 166275, 192879, 214310, 221700, 257172, 321465, 332550, 385758, 428620, 535775, 642930, 665100, 771516, 964395, 1071550, 1285860, 1607325, 1928790, 2143100, 3214650, 3857580, 4821975, 6429300, 9643950, 19287900]

約数ペア:

[(1, 19287900), (2, 9643950), (3, 6429300), (4, 4821975), (5, 3857580), (6, 3214650), (9, 2143100), (10, 1928790), (12, 1607325), (15, 1285860), (18, 1071550), (20, 964395), (25, 771516), (29, 665100), (30, 642930), (36, 535775), (45, 428620), (50, 385758), (58, 332550), (60, 321465), (75, 257172), (87, 221700), (90, 214310), (100, 192879), (116, 166275), (145, 133020), (150, 128586), (174, 110850), (180, 107155), (225, 85724), (261, 73900), (290, 66510), (300, 64293), (348, 55425), (435, 44340), (450, 42862), (522, 36950), (580, 33255), (725, 26604), (739, 26100), (870, 22170), (900, 21431), (1044, 18475), (1305, 14780), (1450, 13302), (1478, 13050), (1740, 11085), (2175, 8868), (2217, 8700), (2610, 7390), (2900, 6651), (2956, 6525), (3695, 5220), (4350, 4434)]