18784350

素因数分解:

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

素因数の和:76

約数の個数: 144

約数和(自身を含む): 57548400

約数和(自身を除く): 38764050

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 25, 26, 30, 38, 39, 45, 50, 57, 65, 75, 78, 90, 95, 114, 117, 130, 150, 169, 171, 190, 195, 225, 234, 247, 285, 325, 338, 342, 390, 450, 475, 494, 507, 570, 585, 650, 741, 845, 855, 950, 975, 1014, 1170, 1235, 1425, 1482, 1521, 1690, 1710, 1950, 2197, 2223, 2470, 2535, 2850, 2925, 3042, 3211, 3705, 4225, 4275, 4394, 4446, 5070, 5850, 6175, 6422, 6591, 7410, 7605, 8450, 8550, 9633, 10985, 11115, 12350, 12675, 13182, 15210, 16055, 18525, 19266, 19773, 21970, 22230, 25350, 28899, 32110, 32955, 37050, 38025, 39546, 41743, 48165, 54925, 55575, 57798, 65910, 76050, 80275, 83486, 96330, 98865, 109850, 111150, 125229, 144495, 160550, 164775, 197730, 208715, 240825, 250458, 288990, 329550, 375687, 417430, 481650, 494325, 626145, 722475, 751374, 988650, 1043575, 1252290, 1444950, 1878435, 2087150, 3130725, 3756870, 6261450, 9392175, 18784350]

約数ペア:

[(1, 18784350), (2, 9392175), (3, 6261450), (5, 3756870), (6, 3130725), (9, 2087150), (10, 1878435), (13, 1444950), (15, 1252290), (18, 1043575), (19, 988650), (25, 751374), (26, 722475), (30, 626145), (38, 494325), (39, 481650), (45, 417430), (50, 375687), (57, 329550), (65, 288990), (75, 250458), (78, 240825), (90, 208715), (95, 197730), (114, 164775), (117, 160550), (130, 144495), (150, 125229), (169, 111150), (171, 109850), (190, 98865), (195, 96330), (225, 83486), (234, 80275), (247, 76050), (285, 65910), (325, 57798), (338, 55575), (342, 54925), (390, 48165), (450, 41743), (475, 39546), (494, 38025), (507, 37050), (570, 32955), (585, 32110), (650, 28899), (741, 25350), (845, 22230), (855, 21970), (950, 19773), (975, 19266), (1014, 18525), (1170, 16055), (1235, 15210), (1425, 13182), (1482, 12675), (1521, 12350), (1690, 11115), (1710, 10985), (1950, 9633), (2197, 8550), (2223, 8450), (2470, 7605), (2535, 7410), (2850, 6591), (2925, 6422), (3042, 6175), (3211, 5850), (3705, 5070), (4225, 4446), (4275, 4394)]