19903650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 54371520

約数和(自身を除く): 34467870

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 59, 65, 75, 78, 118, 130, 150, 173, 177, 195, 295, 325, 346, 354, 390, 519, 590, 650, 767, 865, 885, 975, 1038, 1475, 1534, 1730, 1770, 1950, 2249, 2301, 2595, 2950, 3835, 4325, 4425, 4498, 4602, 5190, 6747, 7670, 8650, 8850, 10207, 11245, 11505, 12975, 13494, 19175, 20414, 22490, 23010, 25950, 30621, 33735, 38350, 51035, 56225, 57525, 61242, 67470, 102070, 112450, 115050, 132691, 153105, 168675, 255175, 265382, 306210, 337350, 398073, 510350, 663455, 765525, 796146, 1326910, 1531050, 1990365, 3317275, 3980730, 6634550, 9951825, 19903650]

約数ペア:

[(1, 19903650), (2, 9951825), (3, 6634550), (5, 3980730), (6, 3317275), (10, 1990365), (13, 1531050), (15, 1326910), (25, 796146), (26, 765525), (30, 663455), (39, 510350), (50, 398073), (59, 337350), (65, 306210), (75, 265382), (78, 255175), (118, 168675), (130, 153105), (150, 132691), (173, 115050), (177, 112450), (195, 102070), (295, 67470), (325, 61242), (346, 57525), (354, 56225), (390, 51035), (519, 38350), (590, 33735), (650, 30621), (767, 25950), (865, 23010), (885, 22490), (975, 20414), (1038, 19175), (1475, 13494), (1534, 12975), (1730, 11505), (1770, 11245), (1950, 10207), (2249, 8850), (2301, 8650), (2595, 7670), (2950, 6747), (3835, 5190), (4325, 4602), (4425, 4498)]