18709110

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:563

約数の個数: 128

約数和(自身を含む): 60134400

約数和(自身を除く): 41425290

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 90, 95, 105, 114, 126, 133, 135, 171, 189, 190, 210, 266, 270, 285, 315, 342, 378, 399, 513, 521, 570, 630, 665, 798, 855, 945, 1026, 1042, 1197, 1330, 1563, 1710, 1890, 1995, 2394, 2565, 2605, 3126, 3591, 3647, 3990, 4689, 5130, 5210, 5985, 7182, 7294, 7815, 9378, 9899, 10941, 11970, 14067, 15630, 17955, 18235, 19798, 21882, 23445, 28134, 29697, 32823, 35910, 36470, 46890, 49495, 54705, 59394, 65646, 69293, 70335, 89091, 98469, 98990, 109410, 138586, 140670, 148485, 164115, 178182, 196938, 207879, 267273, 296970, 328230, 346465, 415758, 445455, 492345, 534546, 623637, 692930, 890910, 984690, 1039395, 1247274, 1336365, 1870911, 2078790, 2672730, 3118185, 3741822, 6236370, 9354555, 18709110]

約数ペア:

[(1, 18709110), (2, 9354555), (3, 6236370), (5, 3741822), (6, 3118185), (7, 2672730), (9, 2078790), (10, 1870911), (14, 1336365), (15, 1247274), (18, 1039395), (19, 984690), (21, 890910), (27, 692930), (30, 623637), (35, 534546), (38, 492345), (42, 445455), (45, 415758), (54, 346465), (57, 328230), (63, 296970), (70, 267273), (90, 207879), (95, 196938), (105, 178182), (114, 164115), (126, 148485), (133, 140670), (135, 138586), (171, 109410), (189, 98990), (190, 98469), (210, 89091), (266, 70335), (270, 69293), (285, 65646), (315, 59394), (342, 54705), (378, 49495), (399, 46890), (513, 36470), (521, 35910), (570, 32823), (630, 29697), (665, 28134), (798, 23445), (855, 21882), (945, 19798), (1026, 18235), (1042, 17955), (1197, 15630), (1330, 14067), (1563, 11970), (1710, 10941), (1890, 9899), (1995, 9378), (2394, 7815), (2565, 7294), (2605, 7182), (3126, 5985), (3591, 5210), (3647, 5130), (3990, 4689)]