19455520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1$

素因数の和:650

約数の個数: 96

約数和(自身を含む): 54432000

約数和(自身を除く): 34976480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 280, 290, 406, 464, 560, 580, 599, 812, 928, 1015, 1120, 1160, 1198, 1624, 2030, 2320, 2396, 2995, 3248, 4060, 4193, 4640, 4792, 5990, 6496, 8120, 8386, 9584, 11980, 16240, 16772, 17371, 19168, 20965, 23960, 32480, 33544, 34742, 41930, 47920, 67088, 69484, 83860, 86855, 95840, 121597, 134176, 138968, 167720, 173710, 243194, 277936, 335440, 347420, 486388, 555872, 607985, 670880, 694840, 972776, 1215970, 1389680, 1945552, 2431940, 2779360, 3891104, 4863880, 9727760, 19455520]

約数ペア:

[(1, 19455520), (2, 9727760), (4, 4863880), (5, 3891104), (7, 2779360), (8, 2431940), (10, 1945552), (14, 1389680), (16, 1215970), (20, 972776), (28, 694840), (29, 670880), (32, 607985), (35, 555872), (40, 486388), (56, 347420), (58, 335440), (70, 277936), (80, 243194), (112, 173710), (116, 167720), (140, 138968), (145, 134176), (160, 121597), (203, 95840), (224, 86855), (232, 83860), (280, 69484), (290, 67088), (406, 47920), (464, 41930), (560, 34742), (580, 33544), (599, 32480), (812, 23960), (928, 20965), (1015, 19168), (1120, 17371), (1160, 16772), (1198, 16240), (1624, 11980), (2030, 9584), (2320, 8386), (2396, 8120), (2995, 6496), (3248, 5990), (4060, 4792), (4193, 4640)]