19579120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1171}}^1$

素因数の和:1214

約数の個数: 80

約数和(自身を含む): 52318080

約数和(自身を除く): 32738960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1171, 1520, 1672, 2090, 2342, 3344, 4180, 4684, 5855, 8360, 9368, 11710, 12881, 16720, 18736, 22249, 23420, 25762, 44498, 46840, 51524, 64405, 88996, 93680, 103048, 111245, 128810, 177992, 206096, 222490, 244739, 257620, 355984, 444980, 489478, 515240, 889960, 978956, 1030480, 1223695, 1779920, 1957912, 2447390, 3915824, 4894780, 9789560, 19579120]

約数ペア:

[(1, 19579120), (2, 9789560), (4, 4894780), (5, 3915824), (8, 2447390), (10, 1957912), (11, 1779920), (16, 1223695), (19, 1030480), (20, 978956), (22, 889960), (38, 515240), (40, 489478), (44, 444980), (55, 355984), (76, 257620), (80, 244739), (88, 222490), (95, 206096), (110, 177992), (152, 128810), (176, 111245), (190, 103048), (209, 93680), (220, 88996), (304, 64405), (380, 51524), (418, 46840), (440, 44498), (760, 25762), (836, 23420), (880, 22249), (1045, 18736), (1171, 16720), (1520, 12881), (1672, 11710), (2090, 9368), (2342, 8360), (3344, 5855), (4180, 4684)]