19916947456

素因数分解:

$2^{15}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2801}}^1$

素因数の和:2869

約数の個数: 128

約数和(自身を含む): 47009041920

約数和(自身を除く): 27092094464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 992, 1024, 1736, 1792, 1984, 2048, 2801, 3472, 3584, 3968, 4096, 5602, 6944, 7168, 7936, 8192, 11204, 13888, 14336, 15872, 16384, 19607, 22408, 27776, 28672, 31744, 32768, 39214, 44816, 55552, 57344, 63488, 78428, 86831, 89632, 111104, 114688, 126976, 156856, 173662, 179264, 222208, 229376, 253952, 313712, 347324, 358528, 444416, 507904, 607817, 627424, 694648, 717056, 888832, 1015808, 1215634, 1254848, 1389296, 1434112, 1777664, 2431268, 2509696, 2778592, 2868224, 3555328, 4862536, 5019392, 5557184, 5736448, 7110656, 9725072, 10038784, 11114368, 11472896, 19450144, 20077568, 22228736, 22945792, 38900288, 40155136, 44457472, 45891584, 77800576, 80310272, 88914944, 91783168, 155601152, 160620544, 177829888, 311202304, 321241088, 355659776, 622404608, 642482176, 711319552, 1244809216, 1422639104, 2489618432, 2845278208, 4979236864, 9958473728, 19916947456]

約数ペア:

[(1, 19916947456), (2, 9958473728), (4, 4979236864), (7, 2845278208), (8, 2489618432), (14, 1422639104), (16, 1244809216), (28, 711319552), (31, 642482176), (32, 622404608), (56, 355659776), (62, 321241088), (64, 311202304), (112, 177829888), (124, 160620544), (128, 155601152), (217, 91783168), (224, 88914944), (248, 80310272), (256, 77800576), (434, 45891584), (448, 44457472), (496, 40155136), (512, 38900288), (868, 22945792), (896, 22228736), (992, 20077568), (1024, 19450144), (1736, 11472896), (1792, 11114368), (1984, 10038784), (2048, 9725072), (2801, 7110656), (3472, 5736448), (3584, 5557184), (3968, 5019392), (4096, 4862536), (5602, 3555328), (6944, 2868224), (7168, 2778592), (7936, 2509696), (8192, 2431268), (11204, 1777664), (13888, 1434112), (14336, 1389296), (15872, 1254848), (16384, 1215634), (19607, 1015808), (22408, 888832), (27776, 717056), (28672, 694648), (31744, 627424), (32768, 607817), (39214, 507904), (44816, 444416), (55552, 358528), (57344, 347324), (63488, 313712), (78428, 253952), (86831, 229376), (89632, 222208), (111104, 179264), (114688, 173662), (126976, 156856)]