19516640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{853}}^1$

素因数の和:892

約数の個数: 96

約数和(自身を含む): 54232416

約数和(自身を除く): 34715776

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 352, 416, 440, 520, 572, 715, 853, 880, 1040, 1144, 1430, 1706, 1760, 2080, 2288, 2860, 3412, 4265, 4576, 5720, 6824, 8530, 9383, 11089, 11440, 13648, 17060, 18766, 22178, 22880, 27296, 34120, 37532, 44356, 46915, 55445, 68240, 75064, 88712, 93830, 110890, 121979, 136480, 150128, 177424, 187660, 221780, 243958, 300256, 354848, 375320, 443560, 487916, 609895, 750640, 887120, 975832, 1219790, 1501280, 1774240, 1951664, 2439580, 3903328, 4879160, 9758320, 19516640]

約数ペア:

[(1, 19516640), (2, 9758320), (4, 4879160), (5, 3903328), (8, 2439580), (10, 1951664), (11, 1774240), (13, 1501280), (16, 1219790), (20, 975832), (22, 887120), (26, 750640), (32, 609895), (40, 487916), (44, 443560), (52, 375320), (55, 354848), (65, 300256), (80, 243958), (88, 221780), (104, 187660), (110, 177424), (130, 150128), (143, 136480), (160, 121979), (176, 110890), (208, 93830), (220, 88712), (260, 75064), (286, 68240), (352, 55445), (416, 46915), (440, 44356), (520, 37532), (572, 34120), (715, 27296), (853, 22880), (880, 22178), (1040, 18766), (1144, 17060), (1430, 13648), (1706, 11440), (1760, 11089), (2080, 9383), (2288, 8530), (2860, 6824), (3412, 5720), (4265, 4576)]