19752810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1$

素因数の和:548

約数の個数: 128

約数和(自身を含む): 62705664

約数和(自身を除く): 42952854

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 17, 21, 22, 30, 33, 34, 35, 42, 51, 55, 66, 70, 77, 85, 102, 105, 110, 119, 154, 165, 170, 187, 210, 231, 238, 255, 330, 357, 374, 385, 462, 503, 510, 561, 595, 714, 770, 935, 1006, 1122, 1155, 1190, 1309, 1509, 1785, 1870, 2310, 2515, 2618, 2805, 3018, 3521, 3570, 3927, 5030, 5533, 5610, 6545, 7042, 7545, 7854, 8551, 10563, 11066, 13090, 15090, 16599, 17102, 17605, 19635, 21126, 25653, 27665, 33198, 35210, 38731, 39270, 42755, 51306, 52815, 55330, 59857, 77462, 82995, 85510, 94061, 105630, 116193, 119714, 128265, 165990, 179571, 188122, 193655, 232386, 256530, 282183, 299285, 359142, 387310, 470305, 564366, 580965, 598570, 658427, 897855, 940610, 1161930, 1316854, 1410915, 1795710, 1975281, 2821830, 3292135, 3950562, 6584270, 9876405, 19752810]

約数ペア:

[(1, 19752810), (2, 9876405), (3, 6584270), (5, 3950562), (6, 3292135), (7, 2821830), (10, 1975281), (11, 1795710), (14, 1410915), (15, 1316854), (17, 1161930), (21, 940610), (22, 897855), (30, 658427), (33, 598570), (34, 580965), (35, 564366), (42, 470305), (51, 387310), (55, 359142), (66, 299285), (70, 282183), (77, 256530), (85, 232386), (102, 193655), (105, 188122), (110, 179571), (119, 165990), (154, 128265), (165, 119714), (170, 116193), (187, 105630), (210, 94061), (231, 85510), (238, 82995), (255, 77462), (330, 59857), (357, 55330), (374, 52815), (385, 51306), (462, 42755), (503, 39270), (510, 38731), (561, 35210), (595, 33198), (714, 27665), (770, 25653), (935, 21126), (1006, 19635), (1122, 17605), (1155, 17102), (1190, 16599), (1309, 15090), (1509, 13090), (1785, 11066), (1870, 10563), (2310, 8551), (2515, 7854), (2618, 7545), (2805, 7042), (3018, 6545), (3521, 5610), (3570, 5533), (3927, 5030)]