19985850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1931}}^1$

素因数の和:1972

約数の個数: 72

約数和(自身を含む): 56058912

約数和(自身を除く): 36073062

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 45, 46, 50, 69, 75, 90, 115, 138, 150, 207, 225, 230, 345, 414, 450, 575, 690, 1035, 1150, 1725, 1931, 2070, 3450, 3862, 5175, 5793, 9655, 10350, 11586, 17379, 19310, 28965, 34758, 44413, 48275, 57930, 86895, 88826, 96550, 133239, 144825, 173790, 222065, 266478, 289650, 399717, 434475, 444130, 666195, 799434, 868950, 1110325, 1332390, 1998585, 2220650, 3330975, 3997170, 6661950, 9992925, 19985850]

約数ペア:

[(1, 19985850), (2, 9992925), (3, 6661950), (5, 3997170), (6, 3330975), (9, 2220650), (10, 1998585), (15, 1332390), (18, 1110325), (23, 868950), (25, 799434), (30, 666195), (45, 444130), (46, 434475), (50, 399717), (69, 289650), (75, 266478), (90, 222065), (115, 173790), (138, 144825), (150, 133239), (207, 96550), (225, 88826), (230, 86895), (345, 57930), (414, 48275), (450, 44413), (575, 34758), (690, 28965), (1035, 19310), (1150, 17379), (1725, 11586), (1931, 10350), (2070, 9655), (3450, 5793), (3862, 5175)]