19360640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{179}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 50398200

約数和(自身を除く): 31037560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 179, 208, 260, 320, 338, 358, 416, 520, 640, 676, 716, 832, 845, 895, 1040, 1352, 1432, 1664, 1690, 1790, 2080, 2327, 2704, 2864, 3380, 3580, 4160, 4654, 5408, 5728, 6760, 7160, 8320, 9308, 10816, 11456, 11635, 13520, 14320, 18616, 21632, 22912, 23270, 27040, 28640, 30251, 37232, 46540, 54080, 57280, 60502, 74464, 93080, 108160, 114560, 121004, 148928, 151255, 186160, 242008, 297856, 302510, 372320, 484016, 605020, 744640, 968032, 1210040, 1489280, 1936064, 2420080, 3872128, 4840160, 9680320, 19360640]

約数ペア:

[(1, 19360640), (2, 9680320), (4, 4840160), (5, 3872128), (8, 2420080), (10, 1936064), (13, 1489280), (16, 1210040), (20, 968032), (26, 744640), (32, 605020), (40, 484016), (52, 372320), (64, 302510), (65, 297856), (80, 242008), (104, 186160), (128, 151255), (130, 148928), (160, 121004), (169, 114560), (179, 108160), (208, 93080), (260, 74464), (320, 60502), (338, 57280), (358, 54080), (416, 46540), (520, 37232), (640, 30251), (676, 28640), (716, 27040), (832, 23270), (845, 22912), (895, 21632), (1040, 18616), (1352, 14320), (1432, 13520), (1664, 11635), (1690, 11456), (1790, 10816), (2080, 9308), (2327, 8320), (2704, 7160), (2864, 6760), (3380, 5728), (3580, 5408), (4160, 4654)]