19405628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 39287808

約数和(自身を除く): 19882180

約数列:

[1, 2, 4, 11, 22, 31, 41, 44, 62, 82, 124, 164, 341, 347, 451, 682, 694, 902, 1271, 1364, 1388, 1804, 2542, 3817, 5084, 7634, 10757, 13981, 14227, 15268, 21514, 27962, 28454, 43028, 55924, 56908, 118327, 156497, 236654, 312994, 441037, 473308, 625988, 882074, 1764148, 4851407, 9702814, 19405628]

約数ペア:

[(1, 19405628), (2, 9702814), (4, 4851407), (11, 1764148), (22, 882074), (31, 625988), (41, 473308), (44, 441037), (62, 312994), (82, 236654), (124, 156497), (164, 118327), (341, 56908), (347, 55924), (451, 43028), (682, 28454), (694, 27962), (902, 21514), (1271, 15268), (1364, 14227), (1388, 13981), (1804, 10757), (2542, 7634), (3817, 5084)]