19041516

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 144

約数和(自身を含む): 56871360

約数和(自身を除く): 37829844

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 29, 36, 39, 46, 52, 58, 61, 69, 78, 87, 92, 116, 117, 122, 138, 156, 174, 183, 207, 234, 244, 261, 276, 299, 348, 366, 377, 414, 468, 522, 549, 598, 667, 732, 754, 793, 828, 897, 1044, 1098, 1131, 1196, 1334, 1403, 1508, 1586, 1769, 1794, 2001, 2196, 2262, 2379, 2668, 2691, 2806, 3172, 3393, 3538, 3588, 4002, 4209, 4524, 4758, 5307, 5382, 5612, 6003, 6786, 7076, 7137, 8004, 8418, 8671, 9516, 10614, 10764, 12006, 12627, 13572, 14274, 15921, 16836, 17342, 18239, 21228, 22997, 24012, 25254, 26013, 28548, 31842, 34684, 36478, 40687, 45994, 50508, 52026, 54717, 63684, 68991, 72956, 78039, 81374, 91988, 104052, 109434, 122061, 137982, 156078, 162748, 164151, 206973, 218868, 244122, 275964, 312156, 328302, 366183, 413946, 488244, 528931, 656604, 732366, 827892, 1057862, 1464732, 1586793, 2115724, 3173586, 4760379, 6347172, 9520758, 19041516]

約数ペア:

[(1, 19041516), (2, 9520758), (3, 6347172), (4, 4760379), (6, 3173586), (9, 2115724), (12, 1586793), (13, 1464732), (18, 1057862), (23, 827892), (26, 732366), (29, 656604), (36, 528931), (39, 488244), (46, 413946), (52, 366183), (58, 328302), (61, 312156), (69, 275964), (78, 244122), (87, 218868), (92, 206973), (116, 164151), (117, 162748), (122, 156078), (138, 137982), (156, 122061), (174, 109434), (183, 104052), (207, 91988), (234, 81374), (244, 78039), (261, 72956), (276, 68991), (299, 63684), (348, 54717), (366, 52026), (377, 50508), (414, 45994), (468, 40687), (522, 36478), (549, 34684), (598, 31842), (667, 28548), (732, 26013), (754, 25254), (793, 24012), (828, 22997), (897, 21228), (1044, 18239), (1098, 17342), (1131, 16836), (1196, 15921), (1334, 14274), (1403, 13572), (1508, 12627), (1586, 12006), (1769, 10764), (1794, 10614), (2001, 9516), (2196, 8671), (2262, 8418), (2379, 8004), (2668, 7137), (2691, 7076), (2806, 6786), (3172, 6003), (3393, 5612), (3538, 5382), (3588, 5307), (4002, 4758), (4209, 4524)]