19842080

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 50621760

約数和(自身を除く): 30779680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 61, 76, 80, 95, 107, 122, 152, 160, 190, 214, 244, 304, 305, 380, 428, 488, 535, 608, 610, 760, 856, 976, 1070, 1159, 1220, 1520, 1712, 1952, 2033, 2140, 2318, 2440, 3040, 3424, 4066, 4280, 4636, 4880, 5795, 6527, 8132, 8560, 9272, 9760, 10165, 11590, 13054, 16264, 17120, 18544, 20330, 23180, 26108, 32528, 32635, 37088, 40660, 46360, 52216, 65056, 65270, 81320, 92720, 104432, 124013, 130540, 162640, 185440, 208864, 248026, 261080, 325280, 496052, 522160, 620065, 992104, 1044320, 1240130, 1984208, 2480260, 3968416, 4960520, 9921040, 19842080]

約数ペア:

[(1, 19842080), (2, 9921040), (4, 4960520), (5, 3968416), (8, 2480260), (10, 1984208), (16, 1240130), (19, 1044320), (20, 992104), (32, 620065), (38, 522160), (40, 496052), (61, 325280), (76, 261080), (80, 248026), (95, 208864), (107, 185440), (122, 162640), (152, 130540), (160, 124013), (190, 104432), (214, 92720), (244, 81320), (304, 65270), (305, 65056), (380, 52216), (428, 46360), (488, 40660), (535, 37088), (608, 32635), (610, 32528), (760, 26108), (856, 23180), (976, 20330), (1070, 18544), (1159, 17120), (1220, 16264), (1520, 13054), (1712, 11590), (1952, 10165), (2033, 9760), (2140, 9272), (2318, 8560), (2440, 8132), (3040, 6527), (3424, 5795), (4066, 4880), (4280, 4636)]