19665192

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 52557120

約数和(自身を除く): 32891928

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 157, 204, 307, 314, 408, 471, 614, 628, 921, 942, 1228, 1256, 1842, 1884, 2456, 2669, 3684, 3768, 5219, 5338, 7368, 8007, 10438, 10676, 15657, 16014, 20876, 21352, 31314, 32028, 41752, 48199, 62628, 64056, 96398, 125256, 144597, 192796, 289194, 385592, 578388, 819383, 1156776, 1638766, 2458149, 3277532, 4916298, 6555064, 9832596, 19665192]

約数ペア:

[(1, 19665192), (2, 9832596), (3, 6555064), (4, 4916298), (6, 3277532), (8, 2458149), (12, 1638766), (17, 1156776), (24, 819383), (34, 578388), (51, 385592), (68, 289194), (102, 192796), (136, 144597), (157, 125256), (204, 96398), (307, 64056), (314, 62628), (408, 48199), (471, 41752), (614, 32028), (628, 31314), (921, 21352), (942, 20876), (1228, 16014), (1256, 15657), (1842, 10676), (1884, 10438), (2456, 8007), (2669, 7368), (3684, 5338), (3768, 5219)]