19605950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 46663680

約数和(自身を除く): 27057730

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 31, 35, 50, 62, 65, 70, 91, 130, 139, 155, 175, 182, 217, 278, 310, 325, 350, 403, 434, 455, 650, 695, 775, 806, 910, 973, 1085, 1390, 1550, 1807, 1946, 2015, 2170, 2275, 2821, 3475, 3614, 4030, 4309, 4550, 4865, 5425, 5642, 6950, 8618, 9035, 9730, 10075, 10850, 12649, 14105, 18070, 20150, 21545, 24325, 25298, 28210, 30163, 43090, 45175, 48650, 56017, 60326, 63245, 70525, 90350, 107725, 112034, 126490, 141050, 150815, 215450, 280085, 301630, 316225, 392119, 560170, 632450, 754075, 784238, 1400425, 1508150, 1960595, 2800850, 3921190, 9802975, 19605950]

約数ペア:

[(1, 19605950), (2, 9802975), (5, 3921190), (7, 2800850), (10, 1960595), (13, 1508150), (14, 1400425), (25, 784238), (26, 754075), (31, 632450), (35, 560170), (50, 392119), (62, 316225), (65, 301630), (70, 280085), (91, 215450), (130, 150815), (139, 141050), (155, 126490), (175, 112034), (182, 107725), (217, 90350), (278, 70525), (310, 63245), (325, 60326), (350, 56017), (403, 48650), (434, 45175), (455, 43090), (650, 30163), (695, 28210), (775, 25298), (806, 24325), (910, 21545), (973, 20150), (1085, 18070), (1390, 14105), (1550, 12649), (1807, 10850), (1946, 10075), (2015, 9730), (2170, 9035), (2275, 8618), (2821, 6950), (3475, 5642), (3614, 5425), (4030, 4865), (4309, 4550)]