19102980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1289}}^1$

素因数の和:1333

約数の個数: 96

約数和(自身を含む): 60681600

約数和(自身を除く): 41578620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1289, 1482, 2470, 2578, 2964, 3705, 3867, 4940, 5156, 6445, 7410, 7734, 12890, 14820, 15468, 16757, 19335, 24491, 25780, 33514, 38670, 48982, 50271, 67028, 73473, 77340, 83785, 97964, 100542, 122455, 146946, 167570, 201084, 244910, 251355, 293892, 318383, 335140, 367365, 489820, 502710, 636766, 734730, 955149, 1005420, 1273532, 1469460, 1591915, 1910298, 3183830, 3820596, 4775745, 6367660, 9551490, 19102980]

約数ペア:

[(1, 19102980), (2, 9551490), (3, 6367660), (4, 4775745), (5, 3820596), (6, 3183830), (10, 1910298), (12, 1591915), (13, 1469460), (15, 1273532), (19, 1005420), (20, 955149), (26, 734730), (30, 636766), (38, 502710), (39, 489820), (52, 367365), (57, 335140), (60, 318383), (65, 293892), (76, 251355), (78, 244910), (95, 201084), (114, 167570), (130, 146946), (156, 122455), (190, 100542), (195, 97964), (228, 83785), (247, 77340), (260, 73473), (285, 67028), (380, 50271), (390, 48982), (494, 38670), (570, 33514), (741, 25780), (780, 24491), (988, 19335), (1140, 16757), (1235, 15468), (1289, 14820), (1482, 12890), (2470, 7734), (2578, 7410), (2964, 6445), (3705, 5156), (3867, 4940)]