19947732

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 57496320

約数和(自身を除く): 37548588

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 61, 68, 84, 102, 119, 122, 183, 204, 229, 238, 244, 357, 366, 427, 458, 476, 687, 714, 732, 854, 916, 1037, 1281, 1374, 1428, 1603, 1708, 2074, 2562, 2748, 3111, 3206, 3893, 4148, 4809, 5124, 6222, 6412, 7259, 7786, 9618, 11679, 12444, 13969, 14518, 15572, 19236, 21777, 23358, 27251, 27938, 29036, 41907, 43554, 46716, 54502, 55876, 81753, 83814, 87108, 97783, 109004, 163506, 167628, 195566, 237473, 293349, 327012, 391132, 474946, 586698, 712419, 949892, 1173396, 1424838, 1662311, 2849676, 3324622, 4986933, 6649244, 9973866, 19947732]

約数ペア:

[(1, 19947732), (2, 9973866), (3, 6649244), (4, 4986933), (6, 3324622), (7, 2849676), (12, 1662311), (14, 1424838), (17, 1173396), (21, 949892), (28, 712419), (34, 586698), (42, 474946), (51, 391132), (61, 327012), (68, 293349), (84, 237473), (102, 195566), (119, 167628), (122, 163506), (183, 109004), (204, 97783), (229, 87108), (238, 83814), (244, 81753), (357, 55876), (366, 54502), (427, 46716), (458, 43554), (476, 41907), (687, 29036), (714, 27938), (732, 27251), (854, 23358), (916, 21777), (1037, 19236), (1281, 15572), (1374, 14518), (1428, 13969), (1603, 12444), (1708, 11679), (2074, 9618), (2562, 7786), (2748, 7259), (3111, 6412), (3206, 6222), (3893, 5124), (4148, 4809)]