19851750

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 58631040

約数和(自身を除く): 38779290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 27, 30, 34, 45, 50, 51, 54, 75, 85, 90, 102, 125, 135, 150, 153, 170, 173, 225, 250, 255, 270, 306, 346, 375, 425, 450, 459, 510, 519, 675, 750, 765, 850, 865, 918, 1038, 1125, 1275, 1350, 1530, 1557, 1730, 2125, 2250, 2295, 2550, 2595, 2941, 3114, 3375, 3825, 4250, 4325, 4590, 4671, 5190, 5882, 6375, 6750, 7650, 7785, 8650, 8823, 9342, 11475, 12750, 12975, 14705, 15570, 17646, 19125, 21625, 22950, 23355, 25950, 26469, 29410, 38250, 38925, 43250, 44115, 46710, 52938, 57375, 64875, 73525, 77850, 79407, 88230, 114750, 116775, 129750, 132345, 147050, 158814, 194625, 220575, 233550, 264690, 367625, 389250, 397035, 441150, 583875, 661725, 735250, 794070, 1102875, 1167750, 1323450, 1985175, 2205750, 3308625, 3970350, 6617250, 9925875, 19851750]

約数ペア:

[(1, 19851750), (2, 9925875), (3, 6617250), (5, 3970350), (6, 3308625), (9, 2205750), (10, 1985175), (15, 1323450), (17, 1167750), (18, 1102875), (25, 794070), (27, 735250), (30, 661725), (34, 583875), (45, 441150), (50, 397035), (51, 389250), (54, 367625), (75, 264690), (85, 233550), (90, 220575), (102, 194625), (125, 158814), (135, 147050), (150, 132345), (153, 129750), (170, 116775), (173, 114750), (225, 88230), (250, 79407), (255, 77850), (270, 73525), (306, 64875), (346, 57375), (375, 52938), (425, 46710), (450, 44115), (459, 43250), (510, 38925), (519, 38250), (675, 29410), (750, 26469), (765, 25950), (850, 23355), (865, 22950), (918, 21625), (1038, 19125), (1125, 17646), (1275, 15570), (1350, 14705), (1530, 12975), (1557, 12750), (1730, 11475), (2125, 9342), (2250, 8823), (2295, 8650), (2550, 7785), (2595, 7650), (2941, 6750), (3114, 6375), (3375, 5882), (3825, 5190), (4250, 4671), (4325, 4590)]