19501720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{241}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 53491680

約数和(自身を除く): 33989960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 241, 280, 289, 340, 476, 482, 578, 595, 680, 952, 964, 1156, 1190, 1205, 1445, 1687, 1928, 2023, 2312, 2380, 2410, 2890, 3374, 4046, 4097, 4760, 4820, 5780, 6748, 8092, 8194, 8435, 9640, 10115, 11560, 13496, 16184, 16388, 16870, 20230, 20485, 28679, 32776, 33740, 40460, 40970, 57358, 67480, 69649, 80920, 81940, 114716, 139298, 143395, 163880, 229432, 278596, 286790, 348245, 487543, 557192, 573580, 696490, 975086, 1147160, 1392980, 1950172, 2437715, 2785960, 3900344, 4875430, 9750860, 19501720]

約数ペア:

[(1, 19501720), (2, 9750860), (4, 4875430), (5, 3900344), (7, 2785960), (8, 2437715), (10, 1950172), (14, 1392980), (17, 1147160), (20, 975086), (28, 696490), (34, 573580), (35, 557192), (40, 487543), (56, 348245), (68, 286790), (70, 278596), (85, 229432), (119, 163880), (136, 143395), (140, 139298), (170, 114716), (238, 81940), (241, 80920), (280, 69649), (289, 67480), (340, 57358), (476, 40970), (482, 40460), (578, 33740), (595, 32776), (680, 28679), (952, 20485), (964, 20230), (1156, 16870), (1190, 16388), (1205, 16184), (1445, 13496), (1687, 11560), (1928, 10115), (2023, 9640), (2312, 8435), (2380, 8194), (2410, 8092), (2890, 6748), (3374, 5780), (4046, 4820), (4097, 4760)]