19297460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:513

約数の個数: 96

約数和(自身を含む): 52157952

約数和(自身を除く): 32860492

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 91, 92, 115, 130, 140, 161, 182, 230, 260, 299, 322, 364, 455, 460, 461, 598, 644, 805, 910, 922, 1196, 1495, 1610, 1820, 1844, 2093, 2305, 2990, 3220, 3227, 4186, 4610, 5980, 5993, 6454, 8372, 9220, 10465, 10603, 11986, 12908, 16135, 20930, 21206, 23972, 29965, 32270, 41860, 41951, 42412, 53015, 59930, 64540, 74221, 83902, 106030, 119860, 137839, 148442, 167804, 209755, 212060, 275678, 296884, 371105, 419510, 551356, 689195, 742210, 839020, 964873, 1378390, 1484420, 1929746, 2756780, 3859492, 4824365, 9648730, 19297460]

約数ペア:

[(1, 19297460), (2, 9648730), (4, 4824365), (5, 3859492), (7, 2756780), (10, 1929746), (13, 1484420), (14, 1378390), (20, 964873), (23, 839020), (26, 742210), (28, 689195), (35, 551356), (46, 419510), (52, 371105), (65, 296884), (70, 275678), (91, 212060), (92, 209755), (115, 167804), (130, 148442), (140, 137839), (161, 119860), (182, 106030), (230, 83902), (260, 74221), (299, 64540), (322, 59930), (364, 53015), (455, 42412), (460, 41951), (461, 41860), (598, 32270), (644, 29965), (805, 23972), (910, 21206), (922, 20930), (1196, 16135), (1495, 12908), (1610, 11986), (1820, 10603), (1844, 10465), (2093, 9220), (2305, 8372), (2990, 6454), (3220, 5993), (3227, 5980), (4186, 4610)]