19752590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:777

約数の個数: 64

約数和(自身を含む): 44029440

約数和(自身を除く): 24276850

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 95, 110, 130, 143, 190, 209, 247, 286, 418, 494, 715, 727, 1045, 1235, 1430, 1454, 2090, 2470, 2717, 3635, 5434, 7270, 7997, 9451, 13585, 13813, 15994, 18902, 27170, 27626, 39985, 47255, 69065, 79970, 94510, 103961, 138130, 151943, 179569, 207922, 303886, 359138, 519805, 759715, 897845, 1039610, 1519430, 1795690, 1975259, 3950518, 9876295, 19752590]

約数ペア:

[(1, 19752590), (2, 9876295), (5, 3950518), (10, 1975259), (11, 1795690), (13, 1519430), (19, 1039610), (22, 897845), (26, 759715), (38, 519805), (55, 359138), (65, 303886), (95, 207922), (110, 179569), (130, 151943), (143, 138130), (190, 103961), (209, 94510), (247, 79970), (286, 69065), (418, 47255), (494, 39985), (715, 27626), (727, 27170), (1045, 18902), (1235, 15994), (1430, 13813), (1454, 13585), (2090, 9451), (2470, 7997), (2717, 7270), (3635, 5434)]