19488300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:312

約数の個数: 144

約数和(自身を含む): 64162560

約数和(自身を除く): 44674260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 25, 26, 30, 38, 39, 50, 52, 57, 60, 65, 75, 76, 78, 95, 100, 114, 130, 150, 156, 190, 195, 228, 247, 260, 263, 285, 300, 325, 380, 390, 475, 494, 526, 570, 650, 741, 780, 789, 950, 975, 988, 1052, 1140, 1235, 1300, 1315, 1425, 1482, 1578, 1900, 1950, 2470, 2630, 2850, 2964, 3156, 3419, 3705, 3900, 3945, 4940, 4997, 5260, 5700, 6175, 6575, 6838, 7410, 7890, 9994, 10257, 12350, 13150, 13676, 14820, 14991, 15780, 17095, 18525, 19725, 19988, 20514, 24700, 24985, 26300, 29982, 34190, 37050, 39450, 41028, 49970, 51285, 59964, 64961, 68380, 74100, 74955, 78900, 85475, 99940, 102570, 124925, 129922, 149910, 170950, 194883, 205140, 249850, 256425, 259844, 299820, 324805, 341900, 374775, 389766, 499700, 512850, 649610, 749550, 779532, 974415, 1025700, 1299220, 1499100, 1624025, 1948830, 3248050, 3897660, 4872075, 6496100, 9744150, 19488300]

約数ペア:

[(1, 19488300), (2, 9744150), (3, 6496100), (4, 4872075), (5, 3897660), (6, 3248050), (10, 1948830), (12, 1624025), (13, 1499100), (15, 1299220), (19, 1025700), (20, 974415), (25, 779532), (26, 749550), (30, 649610), (38, 512850), (39, 499700), (50, 389766), (52, 374775), (57, 341900), (60, 324805), (65, 299820), (75, 259844), (76, 256425), (78, 249850), (95, 205140), (100, 194883), (114, 170950), (130, 149910), (150, 129922), (156, 124925), (190, 102570), (195, 99940), (228, 85475), (247, 78900), (260, 74955), (263, 74100), (285, 68380), (300, 64961), (325, 59964), (380, 51285), (390, 49970), (475, 41028), (494, 39450), (526, 37050), (570, 34190), (650, 29982), (741, 26300), (780, 24985), (789, 24700), (950, 20514), (975, 19988), (988, 19725), (1052, 18525), (1140, 17095), (1235, 15780), (1300, 14991), (1315, 14820), (1425, 13676), (1482, 13150), (1578, 12350), (1900, 10257), (1950, 9994), (2470, 7890), (2630, 7410), (2850, 6838), (2964, 6575), (3156, 6175), (3419, 5700), (3705, 5260), (3900, 4997), (3945, 4940)]