19459860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6619}}^1$

素因数の和:6645

約数の個数: 72

約数和(自身を含む): 63393120

約数和(自身を除く): 43933260

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, 6619, 13238, 19857, 26476, 33095, 39714, 46333, 66190, 79428, 92666, 99285, 132380, 138999, 185332, 198570, 231665, 277998, 324331, 397140, 463330, 555996, 648662, 694995, 926660, 972993, 1297324, 1389990, 1621655, 1945986, 2779980, 3243310, 3891972, 4864965, 6486620, 9729930, 19459860]

約数ペア:

[(1, 19459860), (2, 9729930), (3, 6486620), (4, 4864965), (5, 3891972), (6, 3243310), (7, 2779980), (10, 1945986), (12, 1621655), (14, 1389990), (15, 1297324), (20, 972993), (21, 926660), (28, 694995), (30, 648662), (35, 555996), (42, 463330), (49, 397140), (60, 324331), (70, 277998), (84, 231665), (98, 198570), (105, 185332), (140, 138999), (147, 132380), (196, 99285), (210, 92666), (245, 79428), (294, 66190), (420, 46333), (490, 39714), (588, 33095), (735, 26476), (980, 19857), (1470, 13238), (2940, 6619)]