19383420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:392

約数の個数: 144

約数和(自身を含む): 66648960

約数和(自身を除く): 47265540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 347, 380, 399, 420, 490, 532, 570, 588, 665, 694, 735, 798, 931, 980, 1041, 1140, 1330, 1388, 1470, 1596, 1735, 1862, 1995, 2082, 2429, 2660, 2793, 2940, 3470, 3724, 3990, 4164, 4655, 4858, 5205, 5586, 6593, 6940, 7287, 7980, 9310, 9716, 10410, 11172, 12145, 13186, 13965, 14574, 17003, 18620, 19779, 20820, 24290, 26372, 27930, 29148, 32965, 34006, 36435, 39558, 46151, 48580, 51009, 55860, 65930, 68012, 72870, 79116, 85015, 92302, 98895, 102018, 131860, 138453, 145740, 170030, 184604, 197790, 204036, 230755, 255045, 276906, 323057, 340060, 395580, 461510, 510090, 553812, 646114, 692265, 923020, 969171, 1020180, 1292228, 1384530, 1615285, 1938342, 2769060, 3230570, 3876684, 4845855, 6461140, 9691710, 19383420]

約数ペア:

[(1, 19383420), (2, 9691710), (3, 6461140), (4, 4845855), (5, 3876684), (6, 3230570), (7, 2769060), (10, 1938342), (12, 1615285), (14, 1384530), (15, 1292228), (19, 1020180), (20, 969171), (21, 923020), (28, 692265), (30, 646114), (35, 553812), (38, 510090), (42, 461510), (49, 395580), (57, 340060), (60, 323057), (70, 276906), (76, 255045), (84, 230755), (95, 204036), (98, 197790), (105, 184604), (114, 170030), (133, 145740), (140, 138453), (147, 131860), (190, 102018), (196, 98895), (210, 92302), (228, 85015), (245, 79116), (266, 72870), (285, 68012), (294, 65930), (347, 55860), (380, 51009), (399, 48580), (420, 46151), (490, 39558), (532, 36435), (570, 34006), (588, 32965), (665, 29148), (694, 27930), (735, 26372), (798, 24290), (931, 20820), (980, 19779), (1041, 18620), (1140, 17003), (1330, 14574), (1388, 13965), (1470, 13186), (1596, 12145), (1735, 11172), (1862, 10410), (1995, 9716), (2082, 9310), (2429, 7980), (2660, 7287), (2793, 6940), (2940, 6593), (3470, 5586), (3724, 5205), (3990, 4858), (4164, 4655)]