19619856

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:205

約数の個数: 120

約数和(自身を含む): 59192640

約数和(自身を除く): 39572784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 71, 72, 76, 101, 114, 142, 144, 152, 171, 202, 213, 228, 284, 303, 304, 342, 404, 426, 456, 568, 606, 639, 684, 808, 852, 909, 912, 1136, 1212, 1278, 1349, 1368, 1616, 1704, 1818, 1919, 2424, 2556, 2698, 2736, 3408, 3636, 3838, 4047, 4848, 5112, 5396, 5757, 7171, 7272, 7676, 8094, 10224, 10792, 11514, 12141, 14342, 14544, 15352, 16188, 17271, 21513, 21584, 23028, 24282, 28684, 30704, 32376, 34542, 43026, 46056, 48564, 57368, 64539, 64752, 69084, 86052, 92112, 97128, 114736, 129078, 136249, 138168, 172104, 194256, 258156, 272498, 276336, 344208, 408747, 516312, 544996, 817494, 1032624, 1089992, 1226241, 1634988, 2179984, 2452482, 3269976, 4904964, 6539952, 9809928, 19619856]

約数ペア:

[(1, 19619856), (2, 9809928), (3, 6539952), (4, 4904964), (6, 3269976), (8, 2452482), (9, 2179984), (12, 1634988), (16, 1226241), (18, 1089992), (19, 1032624), (24, 817494), (36, 544996), (38, 516312), (48, 408747), (57, 344208), (71, 276336), (72, 272498), (76, 258156), (101, 194256), (114, 172104), (142, 138168), (144, 136249), (152, 129078), (171, 114736), (202, 97128), (213, 92112), (228, 86052), (284, 69084), (303, 64752), (304, 64539), (342, 57368), (404, 48564), (426, 46056), (456, 43026), (568, 34542), (606, 32376), (639, 30704), (684, 28684), (808, 24282), (852, 23028), (909, 21584), (912, 21513), (1136, 17271), (1212, 16188), (1278, 15352), (1349, 14544), (1368, 14342), (1616, 12141), (1704, 11514), (1818, 10792), (1919, 10224), (2424, 8094), (2556, 7676), (2698, 7272), (2736, 7171), (3408, 5757), (3636, 5396), (3838, 5112), (4047, 4848)]