19509200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 52585920

約数和(自身を除く): 33076720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 25, 34, 38, 40, 50, 68, 76, 80, 85, 95, 100, 136, 151, 152, 170, 190, 200, 272, 302, 304, 323, 340, 380, 400, 425, 475, 604, 646, 680, 755, 760, 850, 950, 1208, 1292, 1360, 1510, 1520, 1615, 1700, 1900, 2416, 2567, 2584, 2869, 3020, 3230, 3400, 3775, 3800, 5134, 5168, 5738, 6040, 6460, 6800, 7550, 7600, 8075, 10268, 11476, 12080, 12835, 12920, 14345, 15100, 16150, 20536, 22952, 25670, 25840, 28690, 30200, 32300, 41072, 45904, 48773, 51340, 57380, 60400, 64175, 64600, 71725, 97546, 102680, 114760, 128350, 129200, 143450, 195092, 205360, 229520, 243865, 256700, 286900, 390184, 487730, 513400, 573800, 780368, 975460, 1026800, 1147600, 1219325, 1950920, 2438650, 3901840, 4877300, 9754600, 19509200]

約数ペア:

[(1, 19509200), (2, 9754600), (4, 4877300), (5, 3901840), (8, 2438650), (10, 1950920), (16, 1219325), (17, 1147600), (19, 1026800), (20, 975460), (25, 780368), (34, 573800), (38, 513400), (40, 487730), (50, 390184), (68, 286900), (76, 256700), (80, 243865), (85, 229520), (95, 205360), (100, 195092), (136, 143450), (151, 129200), (152, 128350), (170, 114760), (190, 102680), (200, 97546), (272, 71725), (302, 64600), (304, 64175), (323, 60400), (340, 57380), (380, 51340), (400, 48773), (425, 45904), (475, 41072), (604, 32300), (646, 30200), (680, 28690), (755, 25840), (760, 25670), (850, 22952), (950, 20536), (1208, 16150), (1292, 15100), (1360, 14345), (1510, 12920), (1520, 12835), (1615, 12080), (1700, 11476), (1900, 10268), (2416, 8075), (2567, 7600), (2584, 7550), (2869, 6800), (3020, 6460), (3230, 6040), (3400, 5738), (3775, 5168), (3800, 5134)]