19513280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{211}}^1$

素因数の和:262

約数の個数: 84

約数和(自身を含む): 49594008

約数和(自身を除く): 30080728

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 211, 272, 289, 320, 340, 422, 544, 578, 680, 844, 1055, 1088, 1156, 1360, 1445, 1688, 2110, 2312, 2720, 2890, 3376, 3587, 4220, 4624, 5440, 5780, 6752, 7174, 8440, 9248, 11560, 13504, 14348, 16880, 17935, 18496, 23120, 28696, 33760, 35870, 46240, 57392, 60979, 67520, 71740, 92480, 114784, 121958, 143480, 229568, 243916, 286960, 304895, 487832, 573920, 609790, 975664, 1147840, 1219580, 1951328, 2439160, 3902656, 4878320, 9756640, 19513280]

約数ペア:

[(1, 19513280), (2, 9756640), (4, 4878320), (5, 3902656), (8, 2439160), (10, 1951328), (16, 1219580), (17, 1147840), (20, 975664), (32, 609790), (34, 573920), (40, 487832), (64, 304895), (68, 286960), (80, 243916), (85, 229568), (136, 143480), (160, 121958), (170, 114784), (211, 92480), (272, 71740), (289, 67520), (320, 60979), (340, 57392), (422, 46240), (544, 35870), (578, 33760), (680, 28696), (844, 23120), (1055, 18496), (1088, 17935), (1156, 16880), (1360, 14348), (1445, 13504), (1688, 11560), (2110, 9248), (2312, 8440), (2720, 7174), (2890, 6752), (3376, 5780), (3587, 5440), (4220, 4624)]