18969756

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 52835328

約数和(自身を除く): 33865572

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 23, 26, 34, 39, 46, 51, 52, 68, 69, 78, 92, 102, 138, 156, 204, 221, 276, 299, 311, 391, 442, 598, 622, 663, 782, 884, 897, 933, 1173, 1196, 1244, 1326, 1564, 1794, 1866, 2346, 2652, 3588, 3732, 4043, 4692, 5083, 5287, 7153, 8086, 10166, 10574, 12129, 14306, 15249, 15861, 16172, 20332, 21148, 21459, 24258, 28612, 30498, 31722, 42918, 48516, 60996, 63444, 68731, 85836, 92989, 121601, 137462, 185978, 206193, 243202, 274924, 278967, 364803, 371956, 412386, 486404, 557934, 729606, 824772, 1115868, 1459212, 1580813, 3161626, 4742439, 6323252, 9484878, 18969756]

約数ペア:

[(1, 18969756), (2, 9484878), (3, 6323252), (4, 4742439), (6, 3161626), (12, 1580813), (13, 1459212), (17, 1115868), (23, 824772), (26, 729606), (34, 557934), (39, 486404), (46, 412386), (51, 371956), (52, 364803), (68, 278967), (69, 274924), (78, 243202), (92, 206193), (102, 185978), (138, 137462), (156, 121601), (204, 92989), (221, 85836), (276, 68731), (299, 63444), (311, 60996), (391, 48516), (442, 42918), (598, 31722), (622, 30498), (663, 28612), (782, 24258), (884, 21459), (897, 21148), (933, 20332), (1173, 16172), (1196, 15861), (1244, 15249), (1326, 14306), (1564, 12129), (1794, 10574), (1866, 10166), (2346, 8086), (2652, 7153), (3588, 5287), (3732, 5083), (4043, 4692)]