19577460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6659}}^1$

素因数の和:6685

約数の個数: 72

約数和(自身を含む): 63776160

約数和(自身を除く): 44198700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6659, 13318, 19977, 26636, 33295, 39954, 46613, 66590, 79908, 93226, 99885, 133180, 139839, 186452, 199770, 233065, 279678, 326291, 399540, 466130, 559356, 652582, 699195, 932260, 978873, 1305164, 1398390, 1631455, 1957746, 2796780, 3262910, 3915492, 4894365, 6525820, 9788730, 19577460]

約数ペア:

[(1, 19577460), (2, 9788730), (3, 6525820), (4, 4894365), (5, 3915492), (6, 3262910), (7, 2796780), (10, 1957746), (12, 1631455), (14, 1398390), (15, 1305164), (20, 978873), (21, 932260), (28, 699195), (30, 652582), (35, 559356), (42, 466130), (49, 399540), (60, 326291), (70, 279678), (84, 233065), (98, 199770), (105, 186452), (140, 139839), (147, 133180), (196, 99885), (210, 93226), (245, 79908), (294, 66590), (420, 46613), (490, 39954), (588, 33295), (735, 26636), (980, 19977), (1470, 13318), (2940, 6659)]