19709690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 48263040

約数和(自身を除く): 28553350

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 121, 130, 143, 154, 179, 182, 242, 286, 358, 385, 455, 605, 715, 770, 847, 895, 910, 1001, 1210, 1253, 1430, 1573, 1694, 1790, 1969, 2002, 2327, 2506, 3146, 3938, 4235, 4654, 5005, 6265, 7865, 8470, 9845, 10010, 11011, 11635, 12530, 13783, 15730, 16289, 19690, 21659, 22022, 23270, 25597, 27566, 32578, 43318, 51194, 55055, 68915, 81445, 108295, 110110, 127985, 137830, 151613, 162890, 179179, 216590, 255970, 281567, 303226, 358358, 563134, 758065, 895895, 1407835, 1516130, 1791790, 1970969, 2815670, 3941938, 9854845, 19709690]

約数ペア:

[(1, 19709690), (2, 9854845), (5, 3941938), (7, 2815670), (10, 1970969), (11, 1791790), (13, 1516130), (14, 1407835), (22, 895895), (26, 758065), (35, 563134), (55, 358358), (65, 303226), (70, 281567), (77, 255970), (91, 216590), (110, 179179), (121, 162890), (130, 151613), (143, 137830), (154, 127985), (179, 110110), (182, 108295), (242, 81445), (286, 68915), (358, 55055), (385, 51194), (455, 43318), (605, 32578), (715, 27566), (770, 25597), (847, 23270), (895, 22022), (910, 21659), (1001, 19690), (1210, 16289), (1253, 15730), (1430, 13783), (1573, 12530), (1694, 11635), (1790, 11011), (1969, 10010), (2002, 9845), (2327, 8470), (2506, 7865), (3146, 6265), (3938, 5005), (4235, 4654)]