19515720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3319}}^1$

素因数の和:3347

約数の個数: 96

約数和(自身を含む): 68126400

約数和(自身を除く): 48610680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 3319, 5880, 6638, 9957, 13276, 16595, 19914, 23233, 26552, 33190, 39828, 46466, 49785, 66380, 69699, 79656, 92932, 99570, 116165, 132760, 139398, 162631, 185864, 199140, 232330, 278796, 325262, 348495, 398280, 464660, 487893, 557592, 650524, 696990, 813155, 929320, 975786, 1301048, 1393980, 1626310, 1951572, 2439465, 2787960, 3252620, 3903144, 4878930, 6505240, 9757860, 19515720]

約数ペア:

[(1, 19515720), (2, 9757860), (3, 6505240), (4, 4878930), (5, 3903144), (6, 3252620), (7, 2787960), (8, 2439465), (10, 1951572), (12, 1626310), (14, 1393980), (15, 1301048), (20, 975786), (21, 929320), (24, 813155), (28, 696990), (30, 650524), (35, 557592), (40, 487893), (42, 464660), (49, 398280), (56, 348495), (60, 325262), (70, 278796), (84, 232330), (98, 199140), (105, 185864), (120, 162631), (140, 139398), (147, 132760), (168, 116165), (196, 99570), (210, 92932), (245, 79656), (280, 69699), (294, 66380), (392, 49785), (420, 46466), (490, 39828), (588, 33190), (735, 26552), (840, 23233), (980, 19914), (1176, 16595), (1470, 13276), (1960, 9957), (2940, 6638), (3319, 5880)]