19015308

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 53079936

約数和(自身を除く): 34064628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 41, 52, 78, 82, 117, 123, 156, 164, 234, 246, 369, 468, 492, 533, 738, 991, 1066, 1476, 1599, 1982, 2132, 2973, 3198, 3964, 4797, 5946, 6396, 8919, 9594, 11892, 12883, 17838, 19188, 25766, 35676, 38649, 40631, 51532, 77298, 81262, 115947, 121893, 154596, 162524, 231894, 243786, 365679, 463788, 487572, 528203, 731358, 1056406, 1462716, 1584609, 2112812, 3169218, 4753827, 6338436, 9507654, 19015308]

約数ペア:

[(1, 19015308), (2, 9507654), (3, 6338436), (4, 4753827), (6, 3169218), (9, 2112812), (12, 1584609), (13, 1462716), (18, 1056406), (26, 731358), (36, 528203), (39, 487572), (41, 463788), (52, 365679), (78, 243786), (82, 231894), (117, 162524), (123, 154596), (156, 121893), (164, 115947), (234, 81262), (246, 77298), (369, 51532), (468, 40631), (492, 38649), (533, 35676), (738, 25766), (991, 19188), (1066, 17838), (1476, 12883), (1599, 11892), (1982, 9594), (2132, 8919), (2973, 6396), (3198, 5946), (3964, 4797)]