19006988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:183

約数の個数: 96

約数和(自身を含む): 46061568

約数和(自身を除く): 27054580

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 47, 52, 77, 91, 94, 101, 143, 154, 182, 188, 202, 286, 308, 329, 364, 404, 517, 572, 611, 658, 707, 1001, 1034, 1111, 1222, 1313, 1316, 1414, 2002, 2068, 2222, 2444, 2626, 2828, 3619, 4004, 4277, 4444, 4747, 5252, 6721, 7238, 7777, 8554, 9191, 9494, 13442, 14443, 14476, 15554, 17108, 18382, 18988, 26884, 28886, 31108, 33229, 36764, 47047, 52217, 57772, 61711, 66458, 94094, 101101, 104434, 123422, 132916, 188188, 202202, 208868, 246844, 365519, 404404, 431977, 678821, 731038, 863954, 1357642, 1462076, 1727908, 2715284, 4751747, 9503494, 19006988]

約数ペア:

[(1, 19006988), (2, 9503494), (4, 4751747), (7, 2715284), (11, 1727908), (13, 1462076), (14, 1357642), (22, 863954), (26, 731038), (28, 678821), (44, 431977), (47, 404404), (52, 365519), (77, 246844), (91, 208868), (94, 202202), (101, 188188), (143, 132916), (154, 123422), (182, 104434), (188, 101101), (202, 94094), (286, 66458), (308, 61711), (329, 57772), (364, 52217), (404, 47047), (517, 36764), (572, 33229), (611, 31108), (658, 28886), (707, 26884), (1001, 18988), (1034, 18382), (1111, 17108), (1222, 15554), (1313, 14476), (1316, 14443), (1414, 13442), (2002, 9494), (2068, 9191), (2222, 8554), (2444, 7777), (2626, 7238), (2828, 6721), (3619, 5252), (4004, 4747), (4277, 4444)]